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	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2055:_Bluetooth&amp;diff=164395</id>
		<title>2055: Bluetooth</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2055:_Bluetooth&amp;diff=164395"/>
				<updated>2018-10-18T18:24:06Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: conciseness to latest addition; correct bluetooth date 1989-&amp;gt;2001&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2055&lt;br /&gt;
| date      = October 5, 2018&lt;br /&gt;
| title     = Bluetooth&lt;br /&gt;
| image     = bluetooth.png&lt;br /&gt;
| titletext = Bluetooth is actually named for the tenth-century Viking king Harald &amp;quot;Bluetooth&amp;quot; Gormsson, but the protocol developed by Harald was a wireless charging standard unrelated to the modern Bluetooth except by name.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{w|Bluetooth}} is a technology invented in the mid 1990s and intended for devices to connect wirelessly over a relatively short range for the purpose of transmitting information and/or audio.  For example, a headset that connects via Bluetooth could be connected to a computer that's also Bluetooth-enabled, and then whatever would normally come out of the computer's speakers would come out the headset's ear pieces instead, and whatever was spoken into the headset's microphone would be transmitted to the computer's audio input system as if coming in through the computer's microphone.  For this to work, the two devices need to be paired, which means they need to know the unique identification number of the other device and have been given permission to communicate with it, as well as knowing what kind of data exchanges are both possible and allowed. Pairing is not always a smooth process, especially given the somewhat limited methods some of these devices have for user interaction.  For example, headsets typically don't have screens and user interfaces that make it easy to select what computer or other device you want them to connect to, so you're often confronted by blinking lights and/or sounds to make it through the pairing process, with each device having its own method for initiating or accepting a pairing request.&lt;br /&gt;
&lt;br /&gt;
[[Cueball]] is talking to [[White Hat]] about {{w|Bluetooth}} and wireless connectivity. He asks if it has become easier to stream audio via Bluetooth since he last used it. White Hat then jests that it has become an easy-to-use and streamlined service, where connecting devices is easy, and he gives some examples of how easy it is to use. Cueball is excited about this, until White Hat reveals that he was lying and that Bluetooth is still as hard to use as ever.  Cueball then invokes the name of &amp;quot;Josiah Bluetooth&amp;quot;, a fictitious person implied to have invented the eponymous Bluetooth. &amp;quot;Josiah&amp;quot; is an old-timey name and suggests the amusing idea that in the 1700s or 1800s a hardy inventor named Josiah Bluetooth came up with the idea for wireless audio.  (Note that while there is no &amp;quot;Josiah Bluetooth&amp;quot; person, there is a &amp;quot;[https://www.impossible.com/josiah/ Josiah]&amp;quot; Bluetooth ceramic speaker.)&lt;br /&gt;
&lt;br /&gt;
Though it has been around since 2001&amp;lt;!-- the specification was proposed in 1989 but first interoperable implementations didn't appear until 2000--&amp;gt;, Bluetooth is a well known subject since 2016 when Apple announced the removal of the 3.5 mm headphone jack in their latest smartphone, the {{w|iPhone 7}}. Apple believes the future of audio lies in Bluetooth earphones, but others argue that the technology is not advanced enough to replace wired earphones. The debate continues as other companies have followed suit in removing headphone jacks.&lt;br /&gt;
&lt;br /&gt;
This comic also references the common problem of audio playing through the wrong device when Bluetooth is activated.&lt;br /&gt;
&lt;br /&gt;
The title text is another misdirection joke because while the first part of the sentence is true (Bluetooth was indeed named after a tenth-century Viking king), it goes on to make the silly claim that King Harald himself developed a wireless charging standard. This is a reference to the {{w|Qi_(standard)|Qi wireless power transfer standard}} that, like Bluetooth, is a well-branded industry standard with a catchy name and wide adoption that also does not work quite as well as promised even 10 years after its first release. (It could also be a reference to Medieval Vikings charging into battle, which is, by most accounts, usually a fairly wireless affair (assuming one discounts chainmail armor). In this case, the standard could be a pun as a standard also denotes a royal or military flag.)&lt;br /&gt;
&lt;br /&gt;
Specifically, the Viking king referenced in the title text, {{w|Harald Bluetooth|Harald “Bluetooth” Gormsson}}, usually called Harald Bluetooth, was a ruler of Denmark and Norway who died in 985 or 986. Jim Kardach of Intel named the Bluetooth protocol after him, apparently as he united the various Norse tribes of Denmark into a single kingdom just as Bluetooth unites communication protocols. The {{w|Bluetooth#Logo|Bluetooth logo}} unites the two Norse {{w|runes}} corresponding to &amp;quot;H&amp;quot; and &amp;quot;B&amp;quot; for Harald Bluetooth.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball and White Hat are talking, Cueball is holding a cell phone and wireless headphones.]&lt;br /&gt;
:Cueball: I haven’t used a wireless/bluetooth thingy in like ten years. Is audio stuff still a nightmare?&lt;br /&gt;
:White Hat: Nah, it’s great now.&lt;br /&gt;
&lt;br /&gt;
:[Zoom in on White Hat, Cueball is off-screen.]&lt;br /&gt;
:White Hat: You tap devices together twice to link them and they flash in sync. (It pairs using accelerometer timing and sound.) Tap them three times to disconnect.&lt;br /&gt;
:White Hat: You can pair multiple inputs and outputs and it handles it smoothly.&lt;br /&gt;
:Cueball (off screen): Nice!&lt;br /&gt;
:White Hat: It just works. Sound comes from where you expect.&lt;br /&gt;
:Cueball (off screen): Wonderful.&lt;br /&gt;
&lt;br /&gt;
:[Zoom out to White Hat and Cueball facing each other.]&lt;br /&gt;
:White Hat: Haha, just kidding, it’s a nightmare.&lt;br /&gt;
:Cueball: ''Noooooo!''&lt;br /&gt;
:White Hat: When I connect to my car, music starts blasting from my headphones while the car repeatedly plays a “New connection!” chime.&lt;br /&gt;
:Cueball: ''This is not what Josiah Bluetooth intended!''&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring White Hat]]&lt;br /&gt;
[[Category:Computers]]&lt;br /&gt;
[[Category:Smartphones]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2055:_Bluetooth&amp;diff=163899</id>
		<title>2055: Bluetooth</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2055:_Bluetooth&amp;diff=163899"/>
				<updated>2018-10-09T16:58:42Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: fix apostrophe abuse; break long dashed compound sentence into two sentences; replies -&amp;gt; jests&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2055&lt;br /&gt;
| date      = October 5, 2018&lt;br /&gt;
| title     = Bluetooth&lt;br /&gt;
| image     = bluetooth.png&lt;br /&gt;
| titletext = Bluetooth is actually named for the tenth-century Viking king Harald &amp;quot;Bluetooth&amp;quot; Gormsson, but the protocol developed by Harald was a wireless charging standard unrelated to the modern Bluetooth except by name.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{w|Bluetooth}} is a technology invented in the mid 1990s and intended for devices to connect wirelessly over a relatively short range for the purpose of transmitting information and/or audio.  For example, a headset that connects via Bluetooth could be connected to a computer that's also Bluetooth-enabled, and then whatever would normally come out of the computer's speakers would come out the headset's ear pieces instead, and whatever was spoken into the headset's microphone would be transmitted to the computer's audio input system as if coming in through the computer's microphone.  For this to work, the two devices need to be paired, which means they need to know the unique identification number of the other device and have been given permission to communicate with it, as well as knowing what kind of data exchanges are both possible and allowed.  This pairing process is not always a smooth process, especially given the somewhat limited methods some of these devices have for user interaction.  For example, headsets typically don't have screens and user interfaces that make it easy to select what computer or other device you want them to connect to, so you're often confronted by blinking lights and/or sounds to make it through the pairing process, with each device having its own method for initiating or accepting a pairing request.&lt;br /&gt;
&lt;br /&gt;
[[Cueball]] is talking to [[White Hat]] about {{w|Bluetooth}} and wireless connectivity. He asks if it has become easier to stream audio via Bluetooth since he last used it. White Hat then jests that it has become an easy-to-use and streamlined service, where connecting devices is easy, and he gives some examples of how easy it is to use. Cueball is excited about this, until White Hat reveals that he was lying and that Bluetooth is still as hard to use as ever.  Cueball then invokes the name of &amp;quot;Josiah Bluetooth&amp;quot;, a fictitious person implied to have invented the eponymous Bluetooth. &amp;quot;Josiah&amp;quot; is an old-timey name and suggests the amusing idea that in the 1700s or 1800s a hardy inventor named Josiah Bluetooth came up with the idea for wireless audio.  (Note that while there is no &amp;quot;Josiah Bluetooth&amp;quot; person, there is a &amp;quot;[https://www.impossible.com/josiah/ Josiah]&amp;quot; Bluetooth ceramic speaker.)&lt;br /&gt;
&lt;br /&gt;
This comic also references the common problem of audio playing through the wrong device when Bluetooth is activated.&lt;br /&gt;
&lt;br /&gt;
The title text is another misdirection joke because while the first part of the sentence is true (Bluetooth was indeed named after a tenth-century Viking king), it goes on to make the silly claim that King Harald himself developed a wireless charging standard. This is a reference to the {{w|Qi_(standard)|Qi wireless power transfer standard}} that, like Bluetooth, is a well-branded industry standard with a catchy name and wide adoption that also does not work quite as well as promised even 10 years after its first release. (It could also be a reference to Medieval Vikings charging into battle, which is, by most accounts, usually a fairly wireless affair (assuming one discounts chainmail armor).)&lt;br /&gt;
&lt;br /&gt;
Specifically, the Viking king referenced in the title text, {{w|Harald Bluetooth|Harald “Bluetooth” Gormsson}}, usually called Harald Bluetooth, was a ruler of Denmark and Norway who died in 985 or 986. Jim Kardach of Intel named the Bluetooth protocol after him, apparently as he united the various Norse tribes of Denmark into a single kingdom just as Bluetooth unites communication protocols. The {{w|Bluetooth#Logo|Bluetooth logo}} unites the two Norse {{w|runes}} corresponding to &amp;quot;H&amp;quot; and &amp;quot;B&amp;quot; for Harald Bluetooth.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball and White Hat are talking, Cueball is holding a cell phone and wireless headphones.]&lt;br /&gt;
:Cueball: I haven’t used a wireless/bluetooth thingy in like ten years. Is audio stuff still a nightmare?&lt;br /&gt;
:White Hat: Nah, it’s great now.&lt;br /&gt;
&lt;br /&gt;
:[Zoom in on White Hat, Cueball is off-screen.]&lt;br /&gt;
:White Hat: You tap devices together twice to link them and they flash in sync. (It pairs using accelerometer timing and sound.) Tap them three times to disconnect.&lt;br /&gt;
:White Hat: You can pair multiple inputs and outputs and it handles it smoothly.&lt;br /&gt;
:Cueball (off screen): Nice!&lt;br /&gt;
:White Hat: It just works. Sound comes from where you expect.&lt;br /&gt;
:Cueball (off screen): Wonderful.&lt;br /&gt;
&lt;br /&gt;
:[Zoom out to White Hat and Cueball facing each other.]&lt;br /&gt;
:White Hat: Haha, just kidding, it’s a nightmare.&lt;br /&gt;
:Cueball: ''Noooooo!''&lt;br /&gt;
:White Hat: When I connect to my car, music starts blasting from my headphones while the car repeatedly plays a “New connection!” chime.&lt;br /&gt;
:Cueball: ''This is not what Josiah Bluetooth intended!''&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring White Hat]]&lt;br /&gt;
[[Category:Computers]]&lt;br /&gt;
[[Category:Smartphones]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=2050:_6/6_Time&amp;diff=163301</id>
		<title>2050: 6/6 Time</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=2050:_6/6_Time&amp;diff=163301"/>
				<updated>2018-09-26T06:58:27Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ 12pm -&amp;gt; noon (there is no such thing as 12 p.m.); fix typo&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 2050&lt;br /&gt;
| date      = September 24, 2018&lt;br /&gt;
| title     = 6/6 Time&lt;br /&gt;
| image     = 6_6_time.png&lt;br /&gt;
| titletext = You know how Einstein figured out that the speed of light was constant, and everything else had to change for consistency? My theory is like his, except not smart or good.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
The original image has a link to a previous comic [https://xkcd.com/1061/ 1061: EST] which is explained [[1061: EST|here]].&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|Please edit the explanation below and only mention here why it isn't complete. Do NOT delete this tag too soon.}}&lt;br /&gt;
&lt;br /&gt;
[[Cueball]] suggests a regional time system similar to that used in many societies prior to the invention of [https://www.scientificamerican.com/article/experts-time-division-days-hours-minutes/ mechanical time keeping], such as [https://wiki.samurai-archives.com/index.php?title=Telling_Time Japan during the Edo period] or the {{w|Roman timekeeping|Roman Empire}}, where the day is separated into two parts based on night and day and then subdivided by hour, minute, and second to give season-variable lengths for each. This method is also named [https://en.wiktionary.org/wiki/temporal_hour temporal hour], and still in use in the Jewish religion time table.&lt;br /&gt;
&lt;br /&gt;
Exact points in time such as noon, sunrise, or sunset vary on the {{w|Longitude|longitude}} from east and west, while the length of day and night depends on the {{w|Latitude|latitude}}. The first problem is solved today by using {{w|Time zone|time zones}} in which at noon the sun is in most cases at the {{w|Zenith|zenith}} and sunrise/sunset happens at different times. The second issue is attributed to the tilt of Earth's axis and the curvature of its surface; in summer days are longer than nights and vice versa in winter. In the polar regions there are very long days (and nights) and by Cueball's suggestion the entire months-long polar day would last only 12 hours.&lt;br /&gt;
&lt;br /&gt;
The caption lays out the punchline in which [[Randall]] has very strong feelings and opinions on how standards of time ''should'' be measured, but as bad as he believes the official standards are he also recognizes that his own rules would not be popular with other people. After coming to recognize this he has made a hobby or game out of making the worst possible system of measuring time and sharing it with other people.&lt;br /&gt;
&lt;br /&gt;
The caption, though vague, can also be assumed to relate to the gradual deviation of certain regions from the {{w|Coordinated Universal Time}} (UCT) zones with &amp;quot;{{w|Daylight Saving Time}}&amp;quot; that is observed inconsistently and smaller regions opting for awkward fractional increments of deviation from Coordinated Universal Time.&lt;br /&gt;
&lt;br /&gt;
The title text refers to Einstein's {{w|Special relativity|special theory of relativity}} which postulates that the speed of light is the same for all observers, regardless of the motion of the light source (or the observers). An observer at high speed measures the same speed of light as an observer with no motion, measured from the same light source. In classical physics the speed of the moving observer would be added up but in special relativity this isn't true, instead the time runs slower for the moving observer. And additional to this {{w|Time dilation|time dilation}} there is also a {{w|Length contraction|length contraction}}, without which the geometry wouldn't work.&lt;br /&gt;
&lt;br /&gt;
&amp;quot;Today is one of the two days each year when my clocks run at the same speed as everyone else's&amp;quot; refers to the autumnal equinox, when day and night are the same length, therefore causing his clocks to match the world.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball and White Hat are walking.]&lt;br /&gt;
:Cueball: Under my time system, the sun rises at 6 am and it sets at 6 pm, as it '''''should'''''.&lt;br /&gt;
:Cueball: The length of the second is different each day and night, and the current time shifts with your latitude and longitude.&lt;br /&gt;
:Cueball: Today is one of the two days each year when my clocks run at the same speed as everyone else's.&lt;br /&gt;
&lt;br /&gt;
:[Caption below the frame:]&lt;br /&gt;
:Time standards are so unfixably messy and complicated that at this point my impulse is just to try to make them worse.&lt;br /&gt;
&lt;br /&gt;
==Trivia==&lt;br /&gt;
*In the title text the name Einstein was originally misspelled as &amp;quot;einstein&amp;quot;.&lt;br /&gt;
*This comic was released two days after the {{w|September equinox}} 2018 in the [http://aa.usno.navy.mil/seasons?year=2018&amp;amp;tz=-5&amp;amp;dst=1 US]&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring White Hat]]&lt;br /&gt;
[[Category:Physics]]&lt;br /&gt;
[[Category:Astronomy]]&lt;br /&gt;
[[Category:Time]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1864:_City_Nicknames&amp;diff=142894</id>
		<title>1864: City Nicknames</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1864:_City_Nicknames&amp;diff=142894"/>
				<updated>2017-07-19T03:30:48Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: fix apostrophe abuse&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1864&lt;br /&gt;
| date      = July 17, 2017&lt;br /&gt;
| title     = City Nicknames&lt;br /&gt;
| image     = city_nicknames.png&lt;br /&gt;
| titletext = This place has so many demonyms. Northlanders. Fair Folk. Honey Barons. Lake Dwellers. Treasurers. Swamp Watchers. Dream Farmers. Wellfolk. Rockeaters. Forgotten Royals. Remote Clients. Barrow-Clerks. The People of Land and Sky.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|stub}}&lt;br /&gt;
&lt;br /&gt;
Cities often have official or unofficial nicknames. For instance, {{w|St. Louis|St. Louis, Missouri}}, is known as &amp;quot;Gateway to the West&amp;quot; among several other nicknames. The nicknames typically invoke some historical or geographic feature of the city, but can sometime be opaque to those not familiar with the city. [https://www.into-asia.com/bangkok/introduction/fullname.php The full, formal name of Bangkok] includes a long list of superlatives translating as &amp;quot;The city of angels, the great city, the residence of the Emerald Buddha, the impregnable city (of Ayutthaya) of God Indra, the grand capital of the world endowed with nine precious gems, the happy city, abounding in an enormous Royal Palace that resembles the heavenly abode where reigns the reincarnated god, a city given by Indra and built by Vishnukarn.&amp;quot;&lt;br /&gt;
&lt;br /&gt;
Despite the skyline being clearly recognizable as St. Louis due to the {{w|Gateway Arch}}, [[Black Hat]] calls it New York City. However, the nickname he gives is neither a common New York nickname (such as &amp;quot;{{w|List of nicknames of New York City|The Big Apple}}&amp;quot;) nor a St. Louis nickname. [[Megan]] tries to correct him, but it becomes clear that Black Hat is making up nicknames. Many of his suggestions are puns for real nicknames of other places.&lt;br /&gt;
&lt;br /&gt;
The title text contains made up {{w|demonym}}s in the same pattern. A demonym is a word for the people who live in a particular place. They are typically derived from the name of the place (e.g. &amp;quot;St. Louisan&amp;quot; for people from St. Louis), but some regions have an {{w|Demonym#Informal|informal demonym}} that can be used colloquially by those familiar with the place to refer to its residents.&lt;br /&gt;
&lt;br /&gt;
===Nicknames and Demonyms===&lt;br /&gt;
&lt;br /&gt;
{| class=wikitable&lt;br /&gt;
! City nickname in comic&lt;br /&gt;
! Reference&lt;br /&gt;
! Explanation&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| The Hot Tamale&lt;br /&gt;
| {{w|Hot Tamales}}&lt;br /&gt;
| Possibly a reference to the term [http://www.urbandictionary.com/define.php?term=big%20enchilada big enchilada] (something of great importance).  In the movie &amp;lt;i&amp;gt;[http://en.wikipedia.org/wiki/Independence_Day_(1996_film) Independence Day]&amp;lt;/i&amp;gt;, the phrase &amp;quot;Big Tamale&amp;quot; is used in a similar manner as &amp;quot;Big Enchilada&amp;quot; to describe the alien fighter held at Area 51.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| The Winged City&lt;br /&gt;
| The Windy City&lt;br /&gt;
| Chicago. Possibly also [http://www.airport-technology.com/projects/incheon-international-airport/ Incheon International Airport (ICA/RKSI), South Korea]&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| The Gold Trombone&lt;br /&gt;
|&lt;br /&gt;
| Possibly a reference to the gold standard.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| Castleopolis&lt;br /&gt;
| {{w|Cassopolis}}, or possibly Dictionopolis.&lt;br /&gt;
| Literally &amp;quot;Castle city.&amp;quot;  {{w|Polis}} (from the Greek πόλις for city) is commonly used as a suffix for city names, like {{w|Minneapolis}} or {{w|Alexandroupolis}}; {{w|Metropolis}} can either be a type of city, or one of the real or fictional cities bearing the name. Possibly a reference to The Phantom Tollbooth, which has both castles and cities named Dictionopolis and Digitopolis.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| The Kissing Kingdom&lt;br /&gt;
| {{w|United Kingdom}}&lt;br /&gt;
| This would make a ''Very'' United Kingdom&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| Sandland&lt;br /&gt;
|&lt;br /&gt;
| {{w|Sandland}} is a village in northern Norway, most likely coincidentally.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| The High Place&lt;br /&gt;
| {{w|Denver}}&lt;br /&gt;
|Denver is known as the Mile High City.  Also, in English translations of the Old Testament, the Hebrew term במה (bamah, plural במות bamot) is rendered as &amp;quot;{{w|high place}},&amp;quot; and denotes a place of worship.  In modern Jewish synagogues, the &amp;quot;High Place&amp;quot; (bimah) is the elevated platform from which the Torah is read.  In Gene Wolfe's ''Free Live Free'', one character claims to come from the &amp;quot;High Place&amp;quot;.  The others consider this a metaphor, or simply a lie.  Eventually this is discovered not to be the case.&lt;br /&gt;
&lt;br /&gt;
|-&lt;br /&gt;
| Ol' Ironhook&lt;br /&gt;
| {{w|Old Ironsides}}&lt;br /&gt;
| Old Ironsides is a nickname for the USS Constitution (docked in Charlestown, MA). Ol' Ironhook may be a conflation of Old Ironsides (also a nickname for English Lord Protector Oliver Cromwell) with Old Hookey (a nickname for Arthur Wellesley, Duke of Wellington, English general and PM) or Old Kinderhook (a nickname for US President Martin Van Buren).&lt;br /&gt;
|-&lt;br /&gt;
| The Thousand Spires || The City of a Hundred Spires / City of Dreaming Spires|| Prague / Oxford&lt;br /&gt;
|-&lt;br /&gt;
| The Graveyard of Kings || The Graveyard of Champions / City of Kings || ''Graveyard'': Court 2 at Wimbledon, where former champions are often defeated (the playing environment is very different from Centre Court and Court One, which are larger and where games involving highly-ranked players are preferentially located). The comic was released one day after the 2017 Wimbledon Championships were finished. ''Kings'': Nickname of [[wikipedia:Lima|Lima, Peru]] and [[wikipedia:Palermo|Palermo, Sicily]]. The {{w|Valley of the Kings}} in Egypt is literally a graveyard of kings, namely the Pharaohs.&lt;br /&gt;
|-&lt;br /&gt;
| Bloomtown || [[wikipedia: Boomtown|Boomtown]] || Generic term for a town undergoing rapid growth. Used in the 2002 TV series of the same name as a nickname for Los Angeles.  Might also be referring to [[wikipedia:Bloom County|Bloom County]], a comic by [[wikipedia:Berkeley Breathed|Berkeley Breathed]], or Dublin, as the setting for Ulysses by James Joyce.&lt;br /&gt;
|-&lt;br /&gt;
| Lantern City USA || {{w|Tree City USA}} || A designation supporting municipalities that showcase urban forestry, in connection with Arbor Day.  Lantern city is a fictional, steam-punk serial.&lt;br /&gt;
|-&lt;br /&gt;
| The City of Many Daughters || {{w|City of Daughters}} || Might be a reference to {{w|City of Daughters}} album by [[wikipedia:Destroyer (band)|Destroyer]].&lt;br /&gt;
|-&lt;br /&gt;
| Big Mauve || [[wikipedia: Big_Red_(drink)|Big Red Soda]] || Big Red Soda.  The Cornell teams are known as the [[wikipedia:Cornell Big Red|Big Red]].  The Dartmouth football team is the Big Green.  &lt;br /&gt;
|-&lt;br /&gt;
| The Glass Cradle || [[wikipedia:The Glass Menagerie|The Glass Menagerie]]  || A play by Tennessee Williams&lt;br /&gt;
|-&lt;br /&gt;
| The Road Source ||{{w|Rome}} || From the saying that {{w|All Roads Lead to Rome}}&lt;br /&gt;
|-&lt;br /&gt;
| London Prime || London || In the DC comics, to incorporate multiple continuties, there were multiple universes. London Prime would be &amp;quot;real  London&amp;quot; on Earth Prime. Various cities named {{w|New London}} in the United States and elsewhere are imagined as London in alternate continuities. Alternatively in mathematics, a [https://en.wikipedia.org/wiki/Prime_(symbol)#Use_in_mathematics.2C_statistics.2C_and_science prime mark], x' can be the next iteration of variable x. &lt;br /&gt;
|-&lt;br /&gt;
| Hamtown || {{w|Boston}}, {{w|Hamburg}}, {{w|Toronto}}  || Boston is known as [[wikipedia:Boston nicknames|beantown]], pork and beans are commonly cooked together (as in {{w|Boston baked beans}}), and ham is a form of pork.  The German word ''Burg'' means castle or fort and is often used as suffix for town names. The origin of the prefix ''Ham'' is uncertain, but the food {{w|Hamburger}} derives from this city and ''Hamburger'' in German is the demonym of Hamburg. Toronto sometimes nicknamed Hogtown.  &lt;br /&gt;
|-&lt;br /&gt;
| The Salad Bowl || || A theory of cultural integration in the US, one that stands in contrast to the older 'Melting Pot' theory. Could also refer to the [[wikipedia: Dust Bowl|Dust Bowl]]&lt;br /&gt;
|-&lt;br /&gt;
| God's Boudoir || God's Waiting Room  || State of {{w|Florida}}, where many elderly retire then expire. As a ''{{w|boudoir}}'' is a room reserved for a female (host), this usage would implicate that either God is a woman, or that God frequents there often&lt;br /&gt;
|-&lt;br /&gt;
| The Glittering Swamp || [[wikipedia:Great Dismal Swamp|The Great Dismal Swamp ]], {{w|Washington, D.C.}}  || A large swamp in Virginia and North Carolina.  Also, the city of {{w|Washington, D.C.}} has often been referred to as a &amp;quot;swamp,&amp;quot; owing partly to its past as a [http://networks.h-net.org/node/28441/pages/36129/swamps-and-city-washington malarial swamp].&lt;br /&gt;
|-&lt;br /&gt;
| The Steel Forest || The Concrete Jungle || The Concrete Jungle is a name often given to New York's Manhattan area.  There was also a book and movie titled ''The Petrified Forest''. &lt;br /&gt;
|-&lt;br /&gt;
| The Mobius Strip || The Strip || The Strip is a shortened and commonly used name for the Las Vegas Strip, the main area of hotels and casinos in Las Vegas, Nevada. A {{w|Mobius strip}} is a one-sided piece of paper created by rotating the short edge of the strip 180 degrees and attaching it to the other short edge. The Vegas strip has more or less only one side as well.&lt;br /&gt;
|-&lt;br /&gt;
| The Land of Trains and Fog || || Britain was home to early developments in railroading, and some portions are known for fog and mists.&lt;br /&gt;
In the webcomic [[wikipedia:Homestuck  | Homestuck]] many events take place on various planets named in the format &amp;quot;The Land of X and Y&amp;quot;, e.g. &amp;quot;The Land of Light and Rain&amp;quot;. The novel by George R.R. Martin, which was made into ''Game of Thrones'', was called ''A Song of Ice and Fire''.&lt;br /&gt;
|-&lt;br /&gt;
| The Meeting Place || ||&lt;br /&gt;
|-&lt;br /&gt;
| The Dark Star || || ''Dark Star'' is a 1974 science fiction comedy film.&lt;br /&gt;
|-&lt;br /&gt;
| The Walled Garden || {{w|Walled garden (technology)}} || A walled garden is a virtual environment where the user can only view content that is published or permitted by the proprietor, e.g. AOL or Facebook. This could also be a reference to walled cities, e.g. from the Middle Ages, or the {{w|Kowloon Walled City}} in the modern era. ''The Secret Garden'' is a book by Frances Hodgson Burnett. Or possibly a reference to the {{w|Hanging Gardens of Babylon}}&lt;br /&gt;
|-&lt;br /&gt;
| Skin City || [[wikipedia:Sin City (description)|Sin City]] || Generic term for a city well known for gambling, drugs, or other vices. Also Las Vegas.&lt;br /&gt;
|-&lt;br /&gt;
| The Horse Rotary || ||&lt;br /&gt;
|-&lt;br /&gt;
| Turkeytown || Turkeytown || A town in Lincoln County, Kentucky&lt;br /&gt;
|-&lt;br /&gt;
| The Naked Towers || || ''The Naked City'' was a television series.  ''The Two Towers'' is a book by Tolkien, and ''Naked Lunch'' is a book by Burroughs &lt;br /&gt;
|-&lt;br /&gt;
| The Meta-City || Metacity || A term for a heterogenous, sprawling urban center with multiple dense centers, such as Tokyo or New York City. Metacity was also the window manager in the Linux GNOME 2 desktop.&lt;br /&gt;
|-&lt;br /&gt;
| The Urban Orb || || The screen name of a Let's Player on Youtube and Twitch. - Also maybe once more: Rome and the Rest of the world, as in the popes adress to the urbi (city: meaning rome ) and orbi (circle: meaning the world)&lt;br /&gt;
|-&lt;br /&gt;
| The City of Angles || City of Angels || Los Angeles. Also, the titular City of Angles in the web novel [http://stefangagne.com/cityofangles/ City of Angles]. There also exist several songs with that name, a few of them listed here: {{w|City of Angels}}.&lt;br /&gt;
|-&lt;br /&gt;
| The Big Wheel || [http://www.imdb.com/title/tt0041179/ The Big Wheel] || A 1949 movie about a race car driver. Alternatively, a child's plastic tricycle with an oversized front wheel.&lt;br /&gt;
|-&lt;br /&gt;
| Bird City USA || || A program started by the Audubon Society. &lt;br /&gt;
|-&lt;br /&gt;
| The City of Seven Crowns || City of Seven Hills || Rome. Also occasionally refers to Moscow. The next nickname is likely a reference to the 'wrong' part of this nickname.&lt;br /&gt;
|-&lt;br /&gt;
| Hilltopia || The Hilltop || May be reference to The Hilltop in AMC's The Walking Dead&lt;br /&gt;
|-&lt;br /&gt;
| Bug City || || A nickname for the bug-infested Chicago in the roleplaying game Shadowrun. Also, a sourcebook for the game.&lt;br /&gt;
|-&lt;br /&gt;
| The Bottomless Cup || || There are many mentions of Bottomless Pits in stories.  Additionally, restaurants offering unlimited refills on drinks may refer to this offer by terms like &amp;quot;Bottomless Soda.&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| Lorde's Fen || Lord's Fen || [[wikipedia:Lorde| Lorde]] is a musical artist from Herne Bay, New Zealand - an area near Waitemata Harbour. A [[wikipedia:Fen| fen]] is a type of wetland, which could loosely connect to Herne Bay. &lt;br /&gt;
|-&lt;br /&gt;
| The Last Town || || The third book in the Wayward Pines series. &lt;br /&gt;
|-&lt;br /&gt;
| The Empty Set || || The concert hall in the video game Transistor. In mathematics, the {{w|empty set}} refers to an unique set with no elements, often notated as &amp;quot;{}&amp;quot; or &amp;quot;∅&amp;quot;.&lt;br /&gt;
|-&lt;br /&gt;
| Ghost Harbor || || The name for a brewing company in North Carolina.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
{| class=wikitable&lt;br /&gt;
! Demonym in comic&lt;br /&gt;
! Reference&lt;br /&gt;
! Explanation&lt;br /&gt;
|-&lt;br /&gt;
| Northlanders || {{w|Norsemen}} || Norsemen, literally men from the north, people from Scandinavia.  Could also be a reference to highlanders, the people of the {{w|Scottish Highlands}}, with a similar demonym. The &amp;quot;High&amp;quot; in &amp;quot;Highlands&amp;quot; is a reference to the mountainous landscape, not the geographical position. &lt;br /&gt;
|-&lt;br /&gt;
| Fair Folk || {{w|Fairy}} || The fair folk is a name for fairies in folklore.  The elves in ''The Lord of the Rings'' are referred to as the 'fair folk'. &lt;br /&gt;
|-&lt;br /&gt;
| Honey Barons || [[wikipedia: Robber_baron_(industrialist) | Robber Barons]], [[wikipedia: Honey_badger | Honey Badgers]], [[wikipedia: Honey bear| honey bear]] || Possibly a play on The Robber Barons, a group of powerful industrialists in the late 1800s known for questionable business ethics, and honey badgers, animals known for their tough skin, bad tempers, and tenacity.  Honey bear is a name for a few types of bear, as well as kinkajous.  &lt;br /&gt;
|-&lt;br /&gt;
| Lake Dwellers || The Hobbit || Most likely a reference the people of the Laketown in J.R.R.Tolkien's &amp;quot;The Hobbit&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
| Treasurers || || A {{w|treasurer}} is a person in charge of running the treasury of an organization, for example a governmental department.  The Auditors were characters in Terry Pratchett's Discworld books who did the book-keeping for reality, and wanted to simplify the universe by destroying life.&lt;br /&gt;
|-&lt;br /&gt;
| Swamp Watchers || ||&lt;br /&gt;
|-&lt;br /&gt;
| Dream Farmers || The Dream Factory || Hollywood, California, in its role as the center of the American film industry.&lt;br /&gt;
|-&lt;br /&gt;
| Wellfolk || Werefolk || The were folk were people who could change into animals:  e.g. werewolves.&lt;br /&gt;
|-&lt;br /&gt;
| Rockeaters || [[Wikipedia:List_of_The_Neverending_Story_characters#Pyornkrachzark_and_the_other_messengers| Rockbiter]] || In the ''Never Ending Story'', Pyornkrachzark, more commonly known as &amp;quot;Rock Biter&amp;quot; is a large creature made completely of stone, named due to their diet of rocks.  &lt;br /&gt;
May also refer to {{w|Lotus-eaters}}; while these mythical people slept in narcotic apathy, rockeaters might have a tougher time.&lt;br /&gt;
|-&lt;br /&gt;
| Forgotten Royals || [[wikipedia:Forgotten Realms | Forgotten Realms]] || Royalty from Dungeons and Dragons (D&amp;amp;D) campaign setting&lt;br /&gt;
|-&lt;br /&gt;
| Remote Clients || [[wikipedia:Remote_computer|Remote client]] || In computing, a remote client is a program used to access a computer or service over a network.&lt;br /&gt;
|-&lt;br /&gt;
| Barrow-Clerks || [http://lotr.wikia.com/wiki/Barrow-wights Barrow-wights] || Wraith like creatures in ''The Lord of the Rings''. The hobbits come across them in the [http://lotr.wikia.com/wiki/Barrow-downs Barrow-downs].  &lt;br /&gt;
Those who keep records of items deposited in a grave mound or barrow.&lt;br /&gt;
|-&lt;br /&gt;
| The People of Land and Sky || [[wikipedia:Sea_Peoples|Sea Peoples]] ||&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript|Do NOT delete this tag too soon.}}&lt;br /&gt;
:[Black Hat, Megan, and Ponytail are standing on a hill overlooking a city. The Gateway Arch is visible, as well as a number of skyscrapers in the skyline.]&lt;br /&gt;
:Black Hat: Ah, New York. The Hot Tamale.&lt;br /&gt;
:Megan: This is St. Louis. Also, that's not–&lt;br /&gt;
:Black Hat: The Winged City. The Gold Trombone. Castleopolis.&lt;br /&gt;
:Megan: It's none of those.&lt;br /&gt;
&lt;br /&gt;
:[Close-up of Black Hat]&lt;br /&gt;
:Black Hat: The Kissing Kingdom. Sandland. The High Place. Ol' Ironhook.&lt;br /&gt;
:Megan (off-panel): Still wrong.&lt;br /&gt;
:Black Hat: The Thousand Spires. The Graveyard of Kings. Bloomtown. Lantern City USA.&lt;br /&gt;
:Megan (off-panel): Please stop.&lt;br /&gt;
&lt;br /&gt;
:[Black Hat, Megan, and Ponytail are walking]&lt;br /&gt;
:Black Hat: The City of Many Daughters. Big Mauve. The Glass Cradle. The Road Source. London Prime. Hamtown. The Salad Bowl. God's Boudoir. The Glittering Swamp. The Steel Forest. The Mobius Strip. The Land of Trains and Fog. The Meeting Place. The Dark Star. The Walled Garden. Skin City. The Horse Rotary. Turkeytown. The Naked Towers. The Meta-City. The Urban Orb. The City of Angles. The Big Wheel. Bird City USA. The City of Seven Crowns. Hilltopia. Bug City. The Bottomless Cup. [Text size getting smaller] Lorde's Fen. The Last Town. The Empty Set. Ghost Harbor.&lt;br /&gt;
:Megan: How long does this last?&lt;br /&gt;
:Ponytail: No city has ever let him stay long enough to find out.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Black Hat]]&lt;br /&gt;
[[Category:Comics featuring Megan]]&lt;br /&gt;
[[Category:Comics featuring Ponytail]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:1597:_Git&amp;diff=104218</id>
		<title>Talk:1597: Git</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:1597:_Git&amp;diff=104218"/>
				<updated>2015-10-30T16:02:48Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: object model&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;The problem is not about the working copy and about the branching tree structure and some git internals that is quite confusing.&lt;br /&gt;
This 4 years old reddit post can be used as a funny reference: https://www.reddit.com/r/programming/comments/embdf/git_complicated_of_course_not_commits_map_to/&lt;br /&gt;
&lt;br /&gt;
http://tartley.com/?p=1267&lt;br /&gt;
&amp;quot;One of the things that tripped me up as a novice user was the way Git handles branches. Unlike more primitive version control systems, git repositories are not linear, they support branching, and are thus best visualised as trees, upon the nodes of which your current commit may add new leaf nodes. To visualise this, it’s simplest to think of the state of your repository as a point in a high-dimensional ‘code-space’, in which branches are represented as n-dimensional membranes, mapping the spatial loci of successive commits onto the projected manifold of each cloned repository.&amp;quot;&lt;br /&gt;
&lt;br /&gt;
Should someone mention how git is by default used through a terminal - which is often more confusing than a GUI for most people - and that while there are graphical shells for git, some people refuse to use them because they're not fully-featured? [[Special:Contributions/108.162.221.36|108.162.221.36]] 11:43, 30 October 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
If someone is interested, the best book I've read on it is [http://www.git-scm.com/book/en/v2 Pro Git]. The chapters 2 and 3 explain pretty well this mess of branching and merging. But it's true that it takes a bit of patience to go over it all. [[Special:Contributions/108.162.228.35|108.162.228.35]] 08:47, 30 October 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
Also take a look at [http://nvie.com/posts/a-successful-git-branching-model/ GitFlow: A Successful Git Branching Model]. Though Randall is correct there usually comes a time when it is easier to give up and &amp;quot;start again&amp;quot;. [[Special:Contributions/162.158.34.147|162.158.34.147]] 08:53, 30 October 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
I never liked the name of this piece of software; in British English, the name &amp;quot;git&amp;quot; is mildly rude :-)  &lt;br /&gt;
https://en.wikipedia.org/wiki/Git_(slang) . [[User:Gearoid|Gearóid]] ([[User talk:Gearoid|talk]]) 09:20, 30 October 2015 (UTC)&lt;br /&gt;
:According to word of god it was on purpose: https://en.wikipedia.org/wiki/Git_(software)#History [[Special:Contributions/162.158.22.46|162.158.22.46]] 11:41, 30 October 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
'Internally, Git works by saving the differences between various versions of the files, rather than creating a new copy each time the user &amp;quot;commits&amp;quot; the current version of the code.' - It is exactly the opposite. It stores whole files, or rather all committed pieces of data (blobs). See http://gitready.com/beginner/2009/02/17/how-git-stores-your-data.html [[Special:Contributions/141.101.88.202|141.101.88.202]] 09:38, 30 October 2015 (UTC)TK&lt;br /&gt;
&lt;br /&gt;
: It is stored as diffs in pack file. Whole file (loose object) are packed automatically by default. &lt;br /&gt;
:&lt;br /&gt;
: See  https://schacon.github.io/gitbook/7_the_packfile.html and https://www.kernel.org/pub/software/scm/git/docs/git-pack-objects.html &lt;br /&gt;
::Not sure what pack files are used for, but data is stored as is and named by the SHA-1 of its contents.  See [https://schacon.github.io/gitbook/1_the_git_object_model.html object model] in the same reference.  [[User:Walenc|Walenc]] ([[User talk:Walenc|talk]]) 16:02, 30 October 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
I feel like this article should end with a quick guide to git commands.&lt;br /&gt;
[[Special:Contributions/162.158.177.59|162.158.177.59]] 10:15, 30 October 2015 (UTC)&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1597:_Git&amp;diff=104217</id>
		<title>1597: Git</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1597:_Git&amp;diff=104217"/>
				<updated>2015-10-30T15:55:03Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: git doesn't save diffs, only snapshots, but it does hash to save storage&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1597&lt;br /&gt;
| date      = October 30, 2015&lt;br /&gt;
| title     = Git&lt;br /&gt;
| image     = git.png&lt;br /&gt;
| titletext = If that doesn't fix it, git.txt contains the phone number of a friend of mine who understands git. Just wait through a few minutes of 'It's really pretty simple, just think of branches as...' and eventually you'll learn the commands that will fix everything.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|Title text - with he name of the friend not explained yet.}}&lt;br /&gt;
&lt;br /&gt;
{{w|Git (software)|Git}} is a {{w|Version control|version control}} system often used to track changes to (usually) plain text files, such as computer code. Within a folder and its subfolders, the user can tell Git which files to keep track of changes for.  All the files that are being tracked in this manner make up a repository. Internally, Git works by saving entire snapshots of the files hashed by contents so that the same file content is only stored once, rather than creating a new copy each time the user &amp;quot;commits&amp;quot; the current version of the code.  This approach allows the user to switch between various versions of the code fairly quickly.  However, this can be confusing for new users because when changing between versions, Git effectively rewrites the files under its control to match that version - one file may have several different versions depending on which state Git has set it to, but only one of these versions is visible at any given moment.  The others are not hidden or moved, they do not exist until Git modifies the file to match that version.&lt;br /&gt;
&lt;br /&gt;
In addition to allowing the user to track changes to the files over time using &amp;quot;commits&amp;quot; (versions of the files stored by the user), Git also allows the user to develop several versions of the files in parallel using &amp;quot;branches&amp;quot; (mentioned in the title text). This allows a programmer to, for example, keep a stable, functioning version of their code in one branch, while developing a new feature in a separate branch.  When the new feature is ready, Git provides tools to efficiently &amp;quot;merge&amp;quot; the changes from the development branch back into the main branch.  While powerful, there are also several pitfalls which can confuse users. For example, a file may have only been committed in one branch (so it is only visible in that branch), causing a user who has switched to a different branch to think that file was lost somehow.&lt;br /&gt;
&lt;br /&gt;
Sharing a Git repository with other users is done through a remote repository, such as [https://github.com/ GitHub], [https://about.gitlab.com/ GitLab], or one set up by the user themselves.  This remote repository acts as a central location through which collaborators share their work. Changes do not automatically propagate between users; instead, once someone has changes they are ready to share, they must upload (&amp;quot;push&amp;quot; in Git terminology) their changes to the remote repository.  Other users can then download (&amp;quot;pull&amp;quot;) those changes.  This allows each user complete control over when changes are applied to their version of the files.  Once one user has pushed his or her changes, all other users will need to merge those changes into their code before they can push.  Depending on how much the changes conflict, Git may be able to automatically combine both users' versions, or the user may need to do so manually.&lt;br /&gt;
&lt;br /&gt;
In programming, Git is a very popular way to share source code of programs between computers and users and thus work on projects collaboratively. &lt;br /&gt;
&lt;br /&gt;
However, problems often arise when, for example, one attempts to upload code to a file someone else has already edited. &lt;br /&gt;
Git has quite a few tricks to handle &amp;quot;merging&amp;quot; itself. &lt;br /&gt;
&lt;br /&gt;
One way of simplifying collaboration is to work in a different &amp;quot;branch&amp;quot; than other collaborators. All branches independently track their changes and can be viewed independently of each other. Only when you successfully &amp;quot;merge&amp;quot; (there we go again) individual branches together will you see other collaborators' &amp;quot;commits&amp;quot; in your working set of files.&lt;br /&gt;
&lt;br /&gt;
But, due to the complex nature of Git (and its notoriously counter-intuitively named commands), a large portion of users are unable to use it beyond basic commands. They consider it usually much more efficient just to save the code to a different file, download a newer copy, and then re-apply their original changes to the new copy than to try and understand and use Git's own convoluted built-in commands to attempt to fix it properly.&lt;br /&gt;
&lt;br /&gt;
Git was originally created by {{w|Linus Torvalds}}, the same person who originally created {{w|Linux}}.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball points to a computer on a desk while Ponytail and Hairy are standing further away behind an office chair.]&lt;br /&gt;
:Cueball: This is Git. It tracks collaborative work on projects through a beautiful distributed graph theory tree model.&lt;br /&gt;
:Ponytail: Cool. How do we use it?&lt;br /&gt;
:Cueball: No idea. Just memorize these shell commands and type them to sync up. If you get errors, save your work elsewhere, delete the project, and download a fresh copy.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring Ponytail]]&lt;br /&gt;
[[Category:Comics featuring Hairy]]&lt;br /&gt;
[[Category:Programming]]&lt;br /&gt;
[[Category:Computers]]&lt;br /&gt;
[[Category:Internet]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=Talk:1525:_Emojic_8_Ball&amp;diff=93441</id>
		<title>Talk:1525: Emojic 8 Ball</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=Talk:1525:_Emojic_8_Ball&amp;diff=93441"/>
				<updated>2015-05-16T08:00:22Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: seems okay to me:  Fedora 20 shows the symbols correctly without adding any fonts&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;I'm not sure that &amp;quot;This is an obvious parody&amp;quot; counts as an explanation of the cartoon. I looked up &amp;quot;Magic 8 ball&amp;quot; (with which I was unfamiliar). I looked up &amp;quot;Emoji&amp;quot; (with which, too, I was unfamiliar). I then turned back to the cartoon, and I still don't understand it. What's more, there is no explanation of the practically unique absence of mouseover text. [[User:BinaryDigit|BinaryDigit]] ([[User talk:BinaryDigit|talk]]) 05:55, 15 May 2015 (UTC)&lt;br /&gt;
: Lack of mouseover / alt and title attributes is common in **interactive** comics. --[[User:JakubNarebski|JakubNarebski]] ([[User talk:JakubNarebski|talk]]) 06:23, 15 May 2015 (UTC)&lt;br /&gt;
:: Randall has published several interactive comics: [[1350: Lorenz]], [[1110: Click and Drag]], and [[1416: Pixels]].  All of these have title text.  The only other without was this year's April Fools (which was also interactive.  However, this is definitely '''not''' a common feature of interactive comics. [[User:Djbrasier|Djbrasier]] ([[User talk:Djbrasier|talk]]) 13:20, 15 May 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
It seems that this comic may be poking fun at the reliance of the modern generation on emoji for communication. By trying to answer serious questions only in emoji, their inadequacy in conveying information is shown. After all, a telephone and party ball hardly answer how one will die. It's all left to the imagination. &lt;br /&gt;
[[Special:Contributions/173.245.56.179|173.245.56.179]] 06:01, 15 May 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
There might be a horoscope component to it too, i.e. you can interpret the emoji as a meaningful answer no matter which one you get. [[Special:Contributions/108.162.215.162|108.162.215.162]] 06:30, 15 May 2015 (UTC)&lt;br /&gt;
: I believe you may mean to refer to [http://en.wikipedia.org/wiki/Divinatory,_esoteric_and_occult_tarot tarot cards]. I had a similar thought. [[User:Azule|Azule]] ([[User talk:Azule|talk]]) 07:16, 15 May 2015 (UTC)&lt;br /&gt;
:: Both horoscopes and tarot cards qualify; they're two ways of eliciting the same sort of Rorschach test. [[Special:Contributions/173.245.52.183|173.245.52.183]] 11:58, 15 May 2015 (UTC)&lt;br /&gt;
: It also bears similarities - particularly with its default question of &amp;quot;How will I die?&amp;quot; - to the fictional [http://machineofdeath.net/ Machine of Death], which tells a person how they will die, often in a particularly obtuse or cryptic manner. Randall has previously submitted a short story to the collection: [http://machineofdeath.net/pod-question Machine of Death Podcast 33] [[User:Studley|Studley]] ([[User talk:Studley|talk]]) 07:21, 15 May 2015 (UTC) &lt;br /&gt;
&lt;br /&gt;
I'm guessing Randall is using Unicode emoji characters, i.e. from a font I don't have.  I get a small rectangle with &amp;quot;01F40C&amp;quot; (two rows of three characters), which is indicative of &amp;quot;A character I have no font support for&amp;quot;, in the browser I'm using (although from previous experience it isn't a browser thing, it's that I haven't deliberately installed the specialist font involved).  Which rather spoils things for me, this time round, but I suppose doesn't cause problems for most people who have been persuaded to install emoji-characters to use in the place of 'mere' emoticons... [[Special:Contributions/daily141.101.98.213|141.101.98.213]] 06:36, 15 May 2015 (UTC)&lt;br /&gt;
:(reply to self), I've found a good guide, for someone like me, would be to consult the document http://www.unicode.org/charts/PDF/U1F300.pdf to see what one ''should'' see.  Apparently &amp;quot;How will I die?&amp;quot; is answered by a snail, and my flippant &amp;quot;Where do I get the Emoji font from?&amp;quot; is answered by a man's face.  It remains to be seen whether that's 100% correct on both counts. ;) [[Special:Contributions/141.101.98.213|141.101.98.213]] 07:58, 15 May 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
Linux folks can install the ttf-ancient-fonts package to add support for the Unicode emoji characters.&lt;br /&gt;
:Ok, I've given in.  As a non-Linux folk, I followed various signposts and went to http://users.teilar.gr/~g1951d/ and went straight for the &amp;quot;Symbola: 08-03-2015&amp;quot; download (extracted and installed the .ttfs by the age-old method).  In case anyone else as out-of-date as me needs and wants to do it manually.  It instantly converted my &amp;quot;Man's Face&amp;quot; code (see reply-to-self, above) into the actual man's face, on that browser tab. FYI. [[Special:Contributions/141.101.98.213|141.101.98.213]] 08:12, 15 May 2015 (UTC)&lt;br /&gt;
:: On ''Fedora'': '''sudo yum install gdouros-symbola-fonts''' &lt;br /&gt;
:: On ''Ubuntu'': '''apt get ttf-ancient-fonts'''&lt;br /&gt;
:: [[User:Spongebog|Spongebog]] ([[User talk:Spongebog|talk]]) 04:36, 16 May 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
Note that, although the emojis do seem to be chosen at random (I haven't attempted to check any code), the URL is changed to encode your question and the result, so [http://xkcd.com/#eyJxIjoiSXMgdGhpcyBhIGdvb2QgcXVlc3Rpb24gdG8gaW1tb3J0YWxpc2U/IiwiYSI6WyImI3gxRjM2NTsiLCImI3gxRjQxMDsiLCImI3gxRjM1RDsiXX0= this link] encodes my question and a three-emoji result. [[User:Markhurd|Mark Hurd]] ([[User talk:Markhurd|talk]]) 07:07, 15 May 2015 (UTC)&lt;br /&gt;
: Is that 3-emoji result hack free? I've only gotten 1 or 2 emoji results so far. Edit: Nevermind. I clicked a bunch in a row and got a 3 emoji result. Now the question is: Can 4 be hacked in? [[User:Azule|Azule]] ([[User talk:Azule|talk]]) 07:19, 15 May 2015 (UTC)&lt;br /&gt;
:: I had to be horrible and hack every single emoji into the page. 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For the lovers of overflow]! [[User:Azule|Azule]] ([[User talk:Azule|talk]]) 07:54, 15 May 2015 (UTC)&lt;br /&gt;
::From the code there appears to be an 8/19 chance (42.1%) of one character, 10/19 (52.6%) of two, and 1/19 (5.2%) of three.--[[User:Laverock|Laverock]] ([[User talk:Laverock|talk]]) 07:52, 15 May 2015 (UTC)&lt;br /&gt;
: It is just a base64 encoding of the question and answer characters as a JSON object, the part of the link given by Markhurd after the &amp;quot;#&amp;quot; is the encoding of {&amp;quot;q&amp;quot;:&amp;quot;Is this a good question to immortalise?&amp;quot;,&amp;quot;a&amp;quot;:[&amp;quot;&amp;amp;#x1F365;&amp;quot;,&amp;quot;&amp;amp;#x1F410;&amp;quot;,&amp;quot;&amp;amp;#x1F35D;&amp;quot;]}. So you can add extra characters to the answer array, but after 3 they start clipping out of the triangle. [[Special:Contributions/108.162.249.158|108.162.249.158]] 07:32, 15 May 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
In the edit history it is noted that the emoji are in color. They are in color for me, too. But I question whether this is universal (where the glyphs are supported). Anyone having a black and white experience? [[User:Azule|Azule]] ([[User talk:Azule|talk]]) 07:36, 15 May 2015 (UTC)&lt;br /&gt;
&lt;br /&gt;
From the code, here's the list of possible characters: &amp;amp;#x1F645;, &amp;amp;#x1F646;, &amp;amp;#x1F647;, &amp;amp;#x1F64B;, &amp;amp;#x1F64C;, &amp;amp;#x1F64D;, &amp;amp;#x1F64E;, &amp;amp;#x1F64F;, &amp;amp;#x2702;, &amp;amp;#x2708;, &amp;amp;#x2709;, &amp;amp;#x270A;, &amp;amp;#x270B;, &amp;amp;#x270C;, &amp;amp;#x270F;, &amp;amp;#x2744;, &amp;amp;#x2764;, &amp;amp;#x1F680;, &amp;amp;#x1F683;, &amp;amp;#x1F684;, &amp;amp;#x1F685;, &amp;amp;#x1F687;, &amp;amp;#x1F689;, &amp;amp;#x1F68C;, &amp;amp;#x1F68F;, &amp;amp;#x1F691;, &amp;amp;#x1F692;, &amp;amp;#x1F693;, &amp;amp;#x1F695;, &amp;amp;#x1F697;, &amp;amp;#x1F699;, &amp;amp;#x1F69A;, &amp;amp;#x1F6A2;, &amp;amp;#x1F6A4;, &amp;amp;#x1F6A5;, &amp;amp;#x1F6A7;, &amp;amp;#x1F6A8;, &amp;amp;#x1F6A9;, &amp;amp;#x1F6AA;, &amp;amp;#x1F6AB;, &amp;amp;#x1F6AC;, &amp;amp;#x1F6B2;, &amp;amp;#x1F6B6;, &amp;amp;#x1F6BD;, &amp;amp;#x1F6C0;, &amp;amp;#x231A;, &amp;amp;#x231B;, &amp;amp;#x23F0;, &amp;amp;#x23F3;, &amp;amp;#x2601;, 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::Those are mostly the SAME character. An eye chart.[[Special:Contributions/108.162.238.191|108.162.238.191]] 14:12, 15 May 2015 (UTC)&lt;br /&gt;
: I added them to the page body in table form (my two new favourite tools for the day: [http://rishida.net/tools/conversion/ Bulk unicode code converter] and [http://excel2wiki.net/ Excel to Mediawiki table converter]). However, even converted to three columns, it does seem to take over the page somewhat; it's nice to have the descriptions, but maybe a simple character list like yours would be better. [[User:Studley|Studley]] ([[User talk:Studley|talk]]) 07:44, 15 May 2015 (UTC)&lt;br /&gt;
:: Moved the emoji list to a separate page, problem solved (or at least deferred). [[User:Studley|Studley]] ([[User talk:Studley|talk]]) 08:04, 15 May 2015 (UTC)&lt;br /&gt;
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Most of the characters show up as squares with hex digits for me, both on the comic itself and on this wiki. Bad choice of font, I guess... Randall should learn how to use web fonts. [[Special:Contributions/141.101.91.91|141.101.91.91]] 09:04, 15 May 2015 (UTC)&lt;br /&gt;
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I wonder if this is related to &amp;quot;Machine of Death&amp;quot; (see http://www.amazon.com/Machine-Death-Collection-Stories-People/dp/0982167121). It's a collection of stories that were written by many different people. The story-starter was that a machine existed that could tell you the manner in which you would die, The day you turned a certain age, you could insert money or a credit card, it would take a tiny blood sample, and spit out a piece of paper with your manner of death. But no specifics were given. Thus, &amp;quot;swimming pool&amp;quot; might cause you to avoid swimming in pools, but one day you'd die after being hit by a truck delivering a prefab pool to some distant location. I believe the xkcd cartoonist (I'm blanking on his name--sorry--it's early and I'm old) had a hand in that book. The emoji concept is similar--even after you decipher &amp;quot;your&amp;quot; symbol's/symbols' meaning, you know nothing. {{unsigned ip|173.245.52.150}}&lt;br /&gt;
** You're thinking of Ryan North, of [http://www.qwantz.com/index.php| Dinosaur comics]. Munroe (the actual author of XKCD) is clearly well aquinted with (at least that part of) North's body of work, so the &amp;quot;How will I die&amp;quot; line could be a reference. Then again, it's a common enough question (along with &amp;quot;does Bobby like me&amp;quot;) [[Special:Contributions/108.162.254.164|108.162.254.164]] 12:54, 15 May 2015 (UTC)&lt;br /&gt;
::: Machine of death is a collection of short stories. Munroe wrote one of them. He is well acquainted with MoD. I would suggest that Machine of Death be added to the description as a reference for &amp;quot;how will I die?&amp;quot; as the default question. [[Special:Contributions/173.245.54.182|173.245.54.182]] 13:48, 15 May 2015 (UTC)&lt;br /&gt;
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This comic does not have a title text which is uncommon. Should this be mentioned in the article? [[Special:Contributions/141.101.92.135|141.101.92.135]] 11:03, 15 May 2015 (UTC)&lt;br /&gt;
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I see this cartoon as a comment on the stupid questions asked of these &amp;quot;magic 8-ball&amp;quot;-type devices, and the expectation that the answer gained will have any relevance - i.e., ask a silly question and you'll get a silly answer.&amp;quot; [[User:Grutness|Grutness]] ([[User talk:Grutness|talk]]) 12:07, 15 May 2015 (UTC)&lt;br /&gt;
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:I think it is a shame that this was not tested on linux. I see a bunch of squares with numbers. I am running a modern version of Mint and I have no intention of installing icon based fonts on my system. How very windows. [[Special:Contributions/173.245.48.160|173.245.48.160]] 13:56, 15 May 2015 (UTC)&lt;br /&gt;
::This isn't a Windows vs Linux thing, this is a do you have a font that includes additional symbols thing.  For my part, it didn't work in multiple browsers on my Mint Linux box, but it also didn't work on a Windows XP box.  It did work on a Windows 7 box.[[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 14:24, 15 May 2015 (UTC)&lt;br /&gt;
:::This displays correctly for me on Linux Fedora 20 which I installed about two months ago.  I have not installed any extra fonts (directly), but it is possible that some packages I have installed added more fonts.  [[User:Walenc|Walenc]] ([[User talk:Walenc|talk]]) 08:00, 16 May 2015 (UTC)&lt;br /&gt;
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Could someone on a system with the right fonts replace the picture above with a picture showing emoji, i.e. showing the after-clicking-the-button version of the picture rather than the before version.  Or better yet, an animated GIF showing both states. I think that would really help explain it for those for whom the interactive version isn't working properly and they're only seeing squares.[[User:N0lqu|-boB]] ([[User talk:N0lqu|talk]]) 14:04, 15 May 2015 (UTC)&lt;br /&gt;
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The number of people in this discussion who simply don't understand the concept of Unicode is appalling. Come on, people... there is no &amp;quot;right&amp;quot; font or &amp;quot;wrong&amp;quot; font. There are only fonts (and operating systems) ''with'' complete Unicode support, and fonts (or operating systems) ''without'' complete Unicode support. NO, you don't need to install an icon font, because the font has nothing to do with the Unicode specification. NO, there is no need for Randall to use web fonts (forcing every user to see the comic with the same font) because the whole point of having a Unicode standard is that many different OSes and fonts can support it. If ''your'' system doesn't render Unicode emoji properly, ''then update your system.'' (The latest versions of OS X and iOS, for example, have no trouble rendering this comic, regardless of what font your browser is set to use.) Don't blame Randall for the fact that ''you're'' running out-of-date technology. I thought XKCD readers were generally more technically-literate than that. [[Special:Contributions/108.162.238.187|108.162.238.187]] 21:02, 15 May 2015 (UTC)&lt;br /&gt;
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Try using a smartphone .Emoji are made for smartphone. {{unsigned ip|108.162.231.53}}&lt;br /&gt;
:Nope. Black squares on a smart phone. I'm fairly sure the joke is that people think they're sending you emoticons when they're sending you useless eye charts or black squares. There's nothing here. No emoji. Nothing. Checked on all all sorts of sources, and others are saying the same thing. You can't fool me. I'm not afraid to say the emperor isn't wearing any clothes. The question is, are you?[[Special:Contributions/108.162.238.191|108.162.238.191]] 17:04, 15 May 2015 (UTC)&lt;br /&gt;
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People act all superior when they talk down to people who use emoji, but what do you care how other people communicate? [[User:YourLifeisaLie|Yourlifeisalie]] ([[User talk:YourLifeisaLie|talk]]) 16:00, 15 May 2015 (UTC)&lt;br /&gt;
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I see gun, is it a price question?&lt;br /&gt;
[[Special:Contributions/141.101.89.223|141.101.89.223]] 16:40, 15 May 2015 (UTC)&lt;br /&gt;
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Chrome users can install the [https://chrome.google.com/webstore/detail/emojify/lpkndkffkmhcdkkdmeeelikmadjjmebe/reviews?hl=en](Emojify) extension to view this comic properly.  I downloaded it specifically to view this comic, so I have no idea if it contains malware or hogs resources.&lt;br /&gt;
[[Special:Contributions/173.245.54.194|173.245.54.194]] 17:51, 15 May 2015 (UTC)&lt;br /&gt;
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When I clicked the initial 'How Will I Die?,' I got the symbols for Bank and pushpin, so presumably I will die in a bank stickup.  Not the worst way, but my next bank visit may be a bit fraught. [[User:Miamiclay|Miamiclay]] ([[User talk:Miamiclay|talk]]) 23:06, 15 May 2015 (UTC)&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1525:_Emojic_8_Ball&amp;diff=93401</id>
		<title>1525: Emojic 8 Ball</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1525:_Emojic_8_Ball&amp;diff=93401"/>
				<updated>2015-05-15T14:47:11Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ add alternative interpretation; demote note&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1525&lt;br /&gt;
| date      = May 15, 2015&lt;br /&gt;
| title     = Emojic 8 Ball&lt;br /&gt;
| image     = emojic 8 ball.png&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
To experience the interactivity, visit the {{xkcd|1525|original comic}}.&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete|There may be issues with the purpose explained.}}&lt;br /&gt;
Emojic 8 Ball is a type of parody of {{w|Magic 8 Ball}} using {{w|emoji}} instead of words. Whereas the real Magic 8 Ball is shaken while you ask it a question and gives out an answer along the lines of &amp;quot;yes&amp;quot;, &amp;quot;no&amp;quot;, or &amp;quot;maybe&amp;quot;, this comic takes written user input and once submitted gives a non-verbal answer using graphical {{w|Unicode}} &amp;quot;text&amp;quot; called emoji.&lt;br /&gt;
&lt;br /&gt;
It is possible that this may be commentary on the inclusion of such &amp;quot;meaningless&amp;quot; symbols into Unicode. Ask a question and get a meaningless reply, even more meaningless than the answers given by a Magic 8 Ball.&lt;br /&gt;
&lt;br /&gt;
It could also be commentary about the ambiguous nature of advice from fortune tellers, horoscopes, etc.  Each emoji has unclear meaning (like the cow symbol 🐄).  The interpretation has most to do with the person receiving the fortune than anything given by the so-called fortune reader.&lt;br /&gt;
&lt;br /&gt;
Emoji were previously referenced in [[1513: Code Quality]].&lt;br /&gt;
&lt;br /&gt;
&amp;lt;small&amp;gt;Note: if you see mostly squares (possibly with six numbers/letters inside) in the 8 Ball instead of actual symbols or pictures, it means your system doesn't have fonts that support the Emogi unicode characters.  Scroll down to the comments below for suggestions on how to get and install the right font for your system, as well as to see a list of emoji characters so you can easily see if they're working or not.&amp;lt;/small&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:Title: Emojic 8 Ball [with the 8 itself an emoji that looks like an 8-ball]&lt;br /&gt;
:[Form input field with placeholder text]: How will I die?&lt;br /&gt;
:[Submit button]: Ask&lt;br /&gt;
:[Image of a shiny black ball with a smaller circular window at its center.]&lt;br /&gt;
:[After the submit button is pressed, 1 to 3 emoji symbols appear in the window, framed inside a light blue triangle.]&lt;br /&gt;
&lt;br /&gt;
==Trivia==&lt;br /&gt;
&lt;br /&gt;
* The 8-ball randomly returns between one and three emoji characters. The source code reveals there is 42.1% chance of getting one character, 52.6% chance of getting two characters, and 5.3% chance of getting three.&lt;br /&gt;
* The source code contains 507 different emoji characters. For a full list of the supported characters, see [[1525:_Emojic_8_Ball/List_of_emoji|List of emoji]].&lt;br /&gt;
* This is the second comic without title text.  The first was [[1506: xkcloud]].&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&amp;lt;!-- Include any categories below this line. --&amp;gt;&lt;br /&gt;
&amp;lt;noinclude&amp;gt;&lt;br /&gt;
[[Category:Interactive comics]]&lt;br /&gt;
[[Category:Comics with color]]&lt;br /&gt;
[[Category:No title text]]&lt;br /&gt;
&amp;lt;/noinclude&amp;gt;&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1225:_Ice_Sheets&amp;diff=54312</id>
		<title>1225: Ice Sheets</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1225:_Ice_Sheets&amp;diff=54312"/>
				<updated>2013-12-04T19:10:25Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: fix grammar (again); remove duplication&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1225&lt;br /&gt;
| date      = June 14, 2013&lt;br /&gt;
| title     = Ice Sheets&lt;br /&gt;
| image     = ice sheets.png&lt;br /&gt;
| titletext = Data adapted from 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum' by A.S. Dyke et. al., which was way better than the sequels 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum: The Meltdown' and 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum: Continental Drift'.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
&lt;br /&gt;
The comic shows the ice levels at major North American cities at the {{w|Last_Glacial_Maximum|peak of the last ice age}}, 21,000 years ago. During this period, a vast amount of frozen water covered North America, but also Europe and Asia. So much ice that it affected the global sea level (see {{w|Sea level rise}}) to lower it by more than a hundred meters. &lt;br /&gt;
&lt;br /&gt;
Toronto and Montreal are both Canadian cities, while Boston and Chicago are in the U.S. The skylines of each city are shown at the bottom of the ice sheet to scale.  The tallest structure shown is the CN Tower in Toronto, the tallest free-standing structure in the Western Hemisphere, at a height of 553 m. Each pixel is about 12.4 metres.&lt;br /&gt;
&lt;br /&gt;
The title text references the &amp;quot;[https://notendur.hi.is//~oi/AG-326%202006%20readings/Canadian%20Arctic/Dyke_QSR2002.pdf The Laurentide and Innuitian ice sheets during the Last Glacial Maximum (PDF)],&amp;quot; an actual series of scientific papers about the ice sheet (see figure 4). But it also refers to the animated film series {{w|Ice_Age_(film_series)|''Ice Age''}}.&lt;br /&gt;
''Ice Age: the Meltdown'', and ''Ice Age: Continental Drift'' are the second and fourth Ice Age movies. Many agree that the first film/book in a series is better than its sequel(s).&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:Thickness of the ice sheets at various locations 21,000 years ago compared with modern skylines.&lt;br /&gt;
:[The skylines of four major metropolises are superimposed against an ice sheet of the proper thickness for the aforementioned time period.]&lt;br /&gt;
:Toronto: 2100m&lt;br /&gt;
:Chicago: 900m&lt;br /&gt;
:Boston: 1250m&lt;br /&gt;
:Montreal: 3300m&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Charts]]&lt;br /&gt;
[[Category:Comics with color]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1295:_New_Study&amp;diff=53607</id>
		<title>1295: New Study</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1295:_New_Study&amp;diff=53607"/>
				<updated>2013-11-25T06:35:43Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ oops!  format&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1295&lt;br /&gt;
| date      = November 25, 2013&lt;br /&gt;
| title     = New Study&lt;br /&gt;
| image     = new_study.png&lt;br /&gt;
| titletext = When the results are published, no one will be sure whether to report on them again.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
Another of Randall's jabs at modern news networks. Also a play on the joke that &amp;quot;87% of statistics are made up on the spot&amp;quot; (which is itself completely fictitious).&lt;br /&gt;
&lt;br /&gt;
This is probably inspired by the July 2011 hoax study which correlated {{w|Intelligence Quotient (IQ) and Browser Usage}}, specifically that Microsoft Internet Explorer users had a significantly lower I.Q. than other users.  The study was reported by over 30 news outlets including NPR, ''Forbes'', CBS News, ''San Francisco Chronicle'', ''The Inquirer'', and ''CNN''.  The perpetrator made little effort to conceal the deception by publishing it on a freshly created domain name with a parking lot as the corporate address, and was surprised that so many reputable outlets did no fact checking.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:Reporter: ...And in science news, according to a new study, 85% of news organizations repeat &amp;quot;new study&amp;quot; press releases without checking whether they're real.&lt;br /&gt;
{{comic discussion}}&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1295:_New_Study&amp;diff=53606</id>
		<title>1295: New Study</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1295:_New_Study&amp;diff=53606"/>
				<updated>2013-11-25T06:34:51Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: add the IQ vs. browser usage hoax&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1295&lt;br /&gt;
| date      = November 25, 2013&lt;br /&gt;
| title     = New Study&lt;br /&gt;
| image     = new_study.png&lt;br /&gt;
| titletext = When the results are published, no one will be sure whether to report on them again.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
Another of Randall's jabs at modern news networks. Also a play on the joke that &amp;quot;87% of statistics are made up on the spot&amp;quot; (which is itself completely fictitious).&lt;br /&gt;
&lt;br /&gt;
This is probably inspired by the July 2011 hoax study which correlated {{w|Intelligence Quotient (IQ) and Browser Usage}}, specifically that Microsoft Internet Explorer users had a significantly lower I.Q. than other users.  The study was reported by over 30 news outlets including NPR, ``Forbes``, CBS News, ``San Francisco Chronicle``, ''The Inquirer'', and ''CNN''.  The perpetrator made little effort to conceal the deception by publishing it on a freshly created domain name with a parking lot as the corporate address, and was surprised that so many reputable outlets did no fact checking.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:Reporter: ...And in science news, according to a new study, 85% of news organizations repeat &amp;quot;new study&amp;quot; press releases without checking whether they're real.&lt;br /&gt;
{{comic discussion}}&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1282:_Monty_Hall&amp;diff=51221</id>
		<title>1282: Monty Hall</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1282:_Monty_Hall&amp;diff=51221"/>
				<updated>2013-10-25T17:12:40Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* The Monty Hall Problem */ one more typo&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1282&lt;br /&gt;
| date      = October 25, 2013&lt;br /&gt;
| title     = Monty Hall&lt;br /&gt;
| image     = monty hall.png&lt;br /&gt;
| titletext = A few minutes later, the goat from behind door C drives away in the car.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
This comic is a reference to the {{w|Monty Hall Problem}}, a probability puzzle based on the US game show '{{w|Let's Make a Deal}}' and named after its original host, {{w|Monty Hall}}. The premise of the show was that Hall would offer &amp;quot;deals&amp;quot; to contestants pulled from the audience in which they could win cash and prizes. Some deals involved games/tasks the contestant had to perform, while others simply involved the contestant making choices between a series of doors or boxes. In such games of choice, there were often several prizes and typically at least one &amp;quot;zonk&amp;quot;: The show's name for an undesirable &amp;quot;gag&amp;quot; prize, which on the original Monty Hall version of the show were frequently animals such as goats.&lt;br /&gt;
&lt;br /&gt;
In the classic version of the Monty Problem, a contestant is offered a choice of three doors. Behind two doors is a goat, and behind one of them is a car. First, the contestant chooses a door, which remains closed. The host then opens one of the two remaining doors and reveals a goat. The contestant is then offered a final choice of whether to switch his choice to the remaining closed door, or keep the door they originally chose. The problem involves an analysis of the the probability of the contestant choosing the car given certain circumstances.&lt;br /&gt;
&lt;br /&gt;
The problem (as does the game show) assumes that a contestant would want to win a car, and would be disappointed to win a goat (a zonk), which most contestants would have no ability to house, and no use for. The comic shows that [[Beret Guy]], upon the host revealing that door B has a goat behind it, chooses to take the goat to keep as a pet, which makes them both very happy.&lt;br /&gt;
&lt;br /&gt;
The title text references the car and the remaining goat, untouched behind the remaining doors.&lt;br /&gt;
&lt;br /&gt;
===The Monty Hall Problem===&lt;br /&gt;
:''for an in-depth analysis of the Monty Hall Problem, see {{w|Monty Hall Problem|its article at Wikipedia}}''&lt;br /&gt;
The apparent &amp;quot;paradox&amp;quot; of the Monty Hall Problem is that many people's initial reaction once the host opens a door to reveal a goat, is that there are two remaining doors, one with a car and one with a goat; and therefore there is an equal probability the car is behind each door.  Many people therefore believe that switching makes no difference to the odds of winning a car.&lt;br /&gt;
&lt;br /&gt;
However, assuming that the host has knowledge of which doors contain goats, and that his choice of which door to open is always an unchosen door containing a goat, it is actually twice as likely that the contestant will win the car if they switch than if they keep their original choice. This is because the contestant initially had a one-in-three chance of choosing the car (and a two-in-three chance of choosing a goat). Switching always wins the car in those two-thirds of cases where the contestant initially chose a goat. The probability of winning by switching is therefore the same as the probability that the contestant initially chose a goat.&lt;br /&gt;
&lt;br /&gt;
The switch essentially gives the contestant ''both'' remaining doors instead of just the ''one'' door originally chosen. Because the host ''always'' has at least one goat available, the fact that the host reveals a goat does not provide the contestant any new information about their initially chosen door. The initial door still has a two-in-three chance of being a goat, and switching still has a two-in-three chance of winning. Opening a goat-door simply shifts all of the probability of the remaining two doors being a car to the remaining unchosen door.&lt;br /&gt;
&lt;br /&gt;
There has been great debate about the precise wording of the problem, and what assumptions or rules might apply. Variants of the problem have the host open one of the two remaining doors at random, which could result in the car being revealed, and the game ending. In that scenario, if a goat is revealed, there is in fact an equal probability of winning by switching or keeping the initial door.&lt;br /&gt;
&lt;br /&gt;
==Similar problem==&lt;br /&gt;
The Monty Hall problem is strikingly similar to the {{w|Two envelope problem|Two Envelope Paradox}}, one of [http://blog.xkcd.com/2008/09/09/the-goddamn-airplane-on-the-goddamn-treadmill/ several notoriously provocative thought experiments] (some of which are &amp;quot;banned&amp;quot; on the xkcd forums). Admittedly, the Monty Hall problem has only one clear solution. Because of this, it is much less likely to spark the kinds of arguments like &amp;quot;the goddamn airplane on the goddamn treadmill&amp;quot; or the &amp;quot;Feynman sprinkler&amp;quot; incite.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[A game show presenter is standing in front of three doors, the left door labeled &amp;quot;A&amp;quot;, the right door labeled &amp;quot;C&amp;quot;, and the middle door presumably labeled &amp;quot;B&amp;quot;. The &amp;quot;B&amp;quot; door is open. Beret Guy is walking away with a goat.]&lt;br /&gt;
:Beret Guy: ...And my yard has so much grass, and I'll teach you tricks, and...&lt;br /&gt;
:[There is an affectionate heart coming out of the goat's head, as if it likes this idea.]&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Beret Guy]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1282:_Monty_Hall&amp;diff=51220</id>
		<title>1282: Monty Hall</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1282:_Monty_Hall&amp;diff=51220"/>
				<updated>2013-10-25T17:11:15Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ grammar and typo fixes&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1282&lt;br /&gt;
| date      = October 25, 2013&lt;br /&gt;
| title     = Monty Hall&lt;br /&gt;
| image     = monty hall.png&lt;br /&gt;
| titletext = A few minutes later, the goat from behind door C drives away in the car.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
This comic is a reference to the {{w|Monty Hall Problem}}, a probability puzzle based on the US game show '{{w|Let's Make a Deal}}' and named after its original host, {{w|Monty Hall}}. The premise of the show was that Hall would offer &amp;quot;deals&amp;quot; to contestants pulled from the audience in which they could win cash and prizes. Some deals involved games/tasks the contestant had to perform, while others simply involved the contestant making choices between a series of doors or boxes. In such games of choice, there were often several prizes and typically at least one &amp;quot;zonk&amp;quot;: The show's name for an undesirable &amp;quot;gag&amp;quot; prize, which on the original Monty Hall version of the show were frequently animals such as goats.&lt;br /&gt;
&lt;br /&gt;
In the classic version of the Monty Problem, a contestant is offered a choice of three doors. Behind two doors is a goat, and behind one of them is a car. First, the contestant chooses a door, which remains closed. The host then opens one of the two remaining doors and reveals a goat. The contestant is then offered a final choice of whether to switch his choice to the remaining closed door, or keep the door they originally chose. The problem involves an analysis of the the probability of the contestant choosing the car given certain circumstances.&lt;br /&gt;
&lt;br /&gt;
The problem (as does the game show) assumes that a contestant would want to win a car, and would be disappointed to win a goat (a zonk), which most contestants would have no ability to house, and no use for. The comic shows that [[Beret Guy]], upon the host revealing that door B has a goat behind it, chooses to take the goat to keep as a pet, which makes them both very happy.&lt;br /&gt;
&lt;br /&gt;
The title text references the car and the remaining goat, untouched behind the remaining doors.&lt;br /&gt;
&lt;br /&gt;
===The Monty Hall Problem===&lt;br /&gt;
:''for an in-depth analysis of the Monty Hall Problem, see {{w|Monty Hall Problem|its article at Wikipedia}}''&lt;br /&gt;
The apparent &amp;quot;paradox&amp;quot; of the Monty Hall Problem is that many people's initial reaction once the host opens a door to reveal a goat, is that there are two remaining doors, one with a car and one with a goat; and therefore there is an equal probability the car is behind each door.  Many people therefore believe that switching makes no difference to the odds of winning a car.&lt;br /&gt;
&lt;br /&gt;
However, assuming that the host has knowledge of which doors contain goats, and that his choice of which door to open is always an unchosen door containing a goat, it is actually twice as likely that the contestant will win the car if they switch than if they keep their original choice. This is because the contestant initially had a one-in-three chance of choosing the car (and a two-in-three chance of choosing a goat). Switching always wins the car in those two-thirds of cases where the contestant initially chose a goat. The probability of winning by switching is therefore the same as the probability that the contestant initially choose a goat.&lt;br /&gt;
&lt;br /&gt;
The switch essentially gives the contestant ''both'' remaining doors instead of just the ''one'' door originally chosen. Because the host ''always'' has at least one goat available, the fact that the host reveals a goat does not provide the contestant any new information about their initially chosen door. The initial door still has a two-in-three chance of being a goat, and switching still has a two-in-three chance of winning. Opening a goat-door simply shifts all of the probability of the remaining two doors being a car to the remaining unchosen door.&lt;br /&gt;
&lt;br /&gt;
There has been great debate about the precise wording of the problem, and what assumptions or rules might apply. Variants of the problem have the host open one of the two remaining doors at random, which could result in the car being revealed, and the game ending. In that scenario, if a goat is revealed, there is in fact an equal probability of winning by switching or keeping the initial door.&lt;br /&gt;
&lt;br /&gt;
==Similar problem==&lt;br /&gt;
The Monty Hall problem is strikingly similar to the {{w|Two envelope problem|Two Envelope Paradox}}, one of [http://blog.xkcd.com/2008/09/09/the-goddamn-airplane-on-the-goddamn-treadmill/ several notoriously provocative thought experiments] (some of which are &amp;quot;banned&amp;quot; on the xkcd forums). Admittedly, the Monty Hall problem has only one clear solution. Because of this, it is much less likely to spark the kinds of arguments like &amp;quot;the goddamn airplane on the goddamn treadmill&amp;quot; or the &amp;quot;Feynman sprinkler&amp;quot; incite.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[A game show presenter is standing in front of three doors, the left door labeled &amp;quot;A&amp;quot;, the right door labeled &amp;quot;C&amp;quot;, and the middle door presumably labeled &amp;quot;B&amp;quot;. The &amp;quot;B&amp;quot; door is open. Beret Guy is walking away with a goat.]&lt;br /&gt;
:Beret Guy: ...And my yard has so much grass, and I'll teach you tricks, and...&lt;br /&gt;
:[There is an affectionate heart coming out of the goat's head, as if it likes this idea.]&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Beret Guy]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1277:_Ayn_Random&amp;diff=50635</id>
		<title>1277: Ayn Random</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1277:_Ayn_Random&amp;diff=50635"/>
				<updated>2013-10-15T00:12:16Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ conciseness for regex breakdown&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1277&lt;br /&gt;
| date      = October 14, 2013&lt;br /&gt;
| title     = Ayn Random&lt;br /&gt;
| image     = ayn random.png&lt;br /&gt;
| titletext = In a cavern deep below the Earth, Ayn Rand, Paul Ryan, Rand Paul, Ann Druyan, Paul Rudd, Alan Alda, and Duran Duran meet togther in the Secret Council of /(\b[plurandy]+\b ?){2}/i.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
&lt;br /&gt;
This comic begins with a pun on {{w|Ayn Rand}}, the name of a writer who created a philosophical system known as {{w|Objectivism (Ayn Rand)|Objectivism}}. Objectivists believe that the primary aim of life is to maximise personal happiness. In their view, if some humans are born more capable of satisfying their desires than other people, they deserve to reap greater rewards from life than others. In the comic, White Hat uses a similar line of reason to justify some numbers appearing more often than others in a &amp;quot;random&amp;quot; number generator.&lt;br /&gt;
&lt;br /&gt;
The title text identifies a group of people whose names match the {{w|regular expression}} &amp;lt;code&amp;gt;/(\b[plurandy]+\b ?){2}/i&amp;lt;/code&amp;gt;. A step-by-step explanation of the expression:&lt;br /&gt;
*\b is a word boundary, matching anywhere there is a 'word character' next to a non-word character&amp;amp;mdash;punctuation, digit, spacing, etc.&lt;br /&gt;
*[plurandy] is a character class, and will match any single character from the set inside the square brackets&lt;br /&gt;
*the plus sign means ''one or more'' of the previous thing, so [plurandy]+ matches one or many of the characters in that class, one after the other&lt;br /&gt;
*&amp;quot; ?&amp;quot; - a space followed by a question mark:  &amp;quot;?&amp;quot; means &amp;quot;0 or 1 of the previous thing&amp;quot;, so a space is optional&lt;br /&gt;
*the whole section in parentheses (\b[plurandy]+\b ?) translates to &amp;quot;a word containing one or more letters, all of which are in the set [plurandy], followed by an optional space&amp;quot;&lt;br /&gt;
*the {2} on the end means to repeat the pattern twice&lt;br /&gt;
*The slashes at each end mark out the pattern, and the &amp;quot;i&amp;quot; at the end is an expression qualifier means it is &amp;quot;case insensitive&amp;quot; (uppercase and lowercase match interchangeably)&lt;br /&gt;
&lt;br /&gt;
Overall, it matches two words separated by a space, composed entirely of the letters in [plurandy], which is what all the names listed have in common.&lt;br /&gt;
 &lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
! Person !! Brief Description&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Ayn Rand}} || Author, best known for her novels {{w|The Fountainhead}} and {{w|Atlas Shrugged}}. &lt;br /&gt;
|-&lt;br /&gt;
| {{w|Paul Ryan}} || US Politician known to have been influenced by the writings of Ayn Rand.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Rand Paul}} || US Politician, also influenced by Ayn Rand's writings.&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Ann Druyan}} || Author&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Paul Rudd}} || Actor, screenwriter, comedian&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Alan Alda}} || Actor, best know for the role of Hawkeye Pierce in the TV series M*A*S*H&lt;br /&gt;
|-&lt;br /&gt;
| {{w|Duran Duran}} || New Wave/Rock band&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball sitting at a laptop, White Hat behind him.]&lt;br /&gt;
:Cueball: This Ayn Random number generator you wrote ''claims'' to be fair, but the output is biased toward certain numbers.&lt;br /&gt;
:White Hat: '''''Well, maybe those numbers are just intrinsically better!'''''&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring White Hat]]&lt;br /&gt;
[[Category:Programming]]&lt;br /&gt;
[[Category:Comics featuring real people]]&lt;br /&gt;
[[Category:Philosophy]]&lt;br /&gt;
[[Category:Math]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1273:_Tall_Infographics&amp;diff=50015</id>
		<title>1273: Tall Infographics</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1273:_Tall_Infographics&amp;diff=50015"/>
				<updated>2013-10-04T19:50:43Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: clarifications&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1273&lt;br /&gt;
| date      = October 4, 2013&lt;br /&gt;
| title     = Tall Infographics&lt;br /&gt;
| image     = tall_infographics.png&lt;br /&gt;
| titletext = 'Big Data' doesn't just mean increasing the font size.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
&lt;br /&gt;
This comic shows some alternative interpretations of the often-hyped term &amp;quot;{{w|big data}}&amp;quot;. &amp;quot;Big data&amp;quot; normally refers to the challenges of working with and visualizing a quantity of data which is hard to process using traditional tools and methods. Here the title text suggests it is about the font size. The comic itself shows how a very small amount of information can be visualized in a large and often unhelpful infographic, including peculiar analyses such as Venn diagrams and graphs.&lt;br /&gt;
&lt;br /&gt;
It is also likely that this comic is a send up of the recent trend towards presenting information in tall graphics that are easily viewed on smartphone screens. A tall graphic with the same pixel width as an iPhone, for example, can viewed without zooming and using only vertical scrolling. Another discussion venue for the topic and this comic is [http://gizmodo.com/tall-infographics-suck-1441047853 Gizmodo: Tall Infographics Suck].&lt;br /&gt;
&lt;br /&gt;
In the pie chart, the areas represent the proportion of letters in each word. The bracket that stems from ''IN'' encompasses ''THIS''. In the Venn diagram, the intersection is of ''Clear'' and ''Concise''. In the lowermost bar graph, the bar height shows the alphabetic position of each letter of the word ''format''.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:By the year &lt;br /&gt;
:(2018)2019(2020)&lt;br /&gt;
:All information&lt;br /&gt;
:[Graph representing all information]&lt;br /&gt;
:6 years from now (72 months)&lt;br /&gt;
:[In a pie chart] will be&lt;br /&gt;
:Megan: communicated&lt;br /&gt;
:Guy in scruffy hair: Yes!&lt;br /&gt;
:in THIS&lt;br /&gt;
:[In a Venn diagram] clear and concise&lt;br /&gt;
:[On the x axis of a bar graph]&lt;br /&gt;
:format&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics with color]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1269:_Privacy_Opinions&amp;diff=49526</id>
		<title>1269: Privacy Opinions</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1269:_Privacy_Opinions&amp;diff=49526"/>
				<updated>2013-09-25T20:10:32Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ update introductory sentence to current news topic&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1269&lt;br /&gt;
| date      = September 25, 2013&lt;br /&gt;
| title     = Privacy Opinions&lt;br /&gt;
| image     = privacy opinions.png&lt;br /&gt;
| titletext = I'm the Philosopher until someone hands me a burrito.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
[[Randall]] parodies some of the reactions to {{w|Edward Snowden}}'s revelations of {{w|2013 mass surveillance disclosures|widespread intrusive surveillance}} by the U.S. National Security Agency:&lt;br /&gt;
&lt;br /&gt;
* The {{w|Philosopher}} - the intellectual who likes to talk about the topic, often boring those around him who don't think or worry much about privacy.&lt;br /&gt;
* The {{w|Cryptography|Crypto Nut}} - the one who goes crazy with security, even for things needing none.&lt;br /&gt;
: Since a large percentage of people and companies present in the internet don't have the ability or intention to do strong cryptography, the crypto nut's communication is limited to talking with other crypto nuts - which indicates cryptography as a topic. A real crypto nut will encrypt not just the important stuff because otherwise the attacker (in this context, assumed to be a government agency, network operator or corporation) will know which mails contain stuff that was secret enough to warrant encrypting, thus giving them information about whom he's doing secret business with.&lt;br /&gt;
* The {{w|Conspiracist}} - well, there's no shortage of these on the Internet, regardless of the topic.  Just see below.&lt;br /&gt;
:The (data) warehouse mentioned is the {{w|Utah Data Center}} which seems to be of impressive size. The punchline is created by taking the iceberg and warehouse analogies literally.&lt;br /&gt;
* The {{w|Nihilism|Nihilist}} - Resigned to the idea that all actions are meaningless (and thus, so is the data those actions generate).&lt;br /&gt;
: This type is typically overstrained by internet privacy scandals. Since he cannot defend himself against such an opponent (due to a lack of technical capability and political influence), he surrenders and decides to arrange with the problem by ignoring it.&lt;br /&gt;
* The {{w|Exhibitionist}} - Assumes people are invading his privacy, and using it to show off.&lt;br /&gt;
: This type is predominantly associated with twitter, but other social networks as well.&lt;br /&gt;
* The {{w|Wisdom|Sage}} - Seems to know the difference between the real and the imaginary.. or does he?&lt;br /&gt;
: The monolog alludes to a scene in {{w|The Matrix}} in which Cypher arranges with the evil machines to become a traitor.&lt;br /&gt;
: The Sage is apparently immediately satisfied when he has food and prosperity. He does not need privacy or other democratic rights as long as he does not individually suffer from their absence.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
The title text could be a reference to the general picture of a philosopher being poor (there is not much money paid for thinking about the world as a whole and the meaning of it etc.) and to a degree uncomfortable with the world in its current state. Handing him a burrito would feed him, thus making him more comfortable with the world and removing the need to change it. Or perhaps it simply is a reference to suggest that he enjoys burritos so much that being handed one even while philosophising would stop him in his tracks to eat the burrito.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:'''Opinions on Internet Privacy'''&lt;br /&gt;
:The Philosopher:&lt;br /&gt;
::Megan: &amp;quot;Privacy&amp;quot; is an impractical way to think about data in a digital world so unlike the one in which our soci--&lt;br /&gt;
::Ponytail: ''' ''So bored.'' '''&lt;br /&gt;
:The Crypto Nut:&lt;br /&gt;
::Cueball: My data is safe behind six layers of symmetric and public-key algorithms.&lt;br /&gt;
::Friend: What data is it?&lt;br /&gt;
::Cueball: Mostly me emailing with people about cryptography.&lt;br /&gt;
:The Conspiracist:&lt;br /&gt;
::Cueball talks to Megan.&lt;br /&gt;
::Cueball: These leaks are just the tip of the iceberg. There's a warehouse in Utah where the NSA has the ''entire'' iceberg. I don't know how they got it there.&lt;br /&gt;
:The Nihilist:&lt;br /&gt;
::Megan: Joke's on them, gathering all this data on me as if anything I do means anything.&lt;br /&gt;
:The Exhibitionist:&lt;br /&gt;
::Cueball is watching a surveillance console, Officer Ponytail stands behind him.&lt;br /&gt;
::Console: ''Mmmm,'' I sure hope the NSA isn't watching me bite into these juicy strawberries!! ''Oops,'' I dripped some on my shirt! Better take it off. Google, are you there? Google, this lotion feels soooo good.&lt;br /&gt;
::Cueball: Um.&lt;br /&gt;
:The Sage:&lt;br /&gt;
::Beret Guy and Cueball sitting at a table.&lt;br /&gt;
::Beret Guy: I don't know or care what data ''anyone'' has about me. Data is imaginary. This burrito is real.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring Megan]]&lt;br /&gt;
[[Category:Comics featuring Ponytail]]&lt;br /&gt;
[[Category:Comics featuring Beret Guy]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1258:_First&amp;diff=48189</id>
		<title>1258: First</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1258:_First&amp;diff=48189"/>
				<updated>2013-08-30T17:18:26Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: remove editing diffs from content; punctuation&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1258&lt;br /&gt;
| date      = August 30, 2013&lt;br /&gt;
| title     = First&lt;br /&gt;
| image     = first.png&lt;br /&gt;
| titletext = Fortunately, exactly zero other annoying internet behaviors have developed during this time. &lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
&lt;br /&gt;
Cueball is commenting on the [http://knowyourmeme.com/memes/first urge] some people have to be the first to make a comment on any given posting (be it a blog post or a youtube video or some other commentable content), and to obnoxiously point out that they have made the first comment. This often manifests as the poster commenting simply with the word &amp;quot;first&amp;quot; as the entire comment. Cueball appears glad that the practice seems to be slowly dying out. However, someone (Offscreen) is worried he will jinx it, only encouraging more people to do so.&lt;br /&gt;
&lt;br /&gt;
The title text ironically states that no new annoying internet behaviours have emerged since the &amp;quot;first post&amp;quot; trend began which would continue to annoy users:   a fact which is clearly wrong to anyone who spends a length of time on the internet.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
&lt;br /&gt;
:[Cueball is sitting at a computer.]&lt;br /&gt;
:Cueball: After a couple of unbearable decades, the &amp;quot;First Post&amp;quot; thing seems to be dying a quiet death.&lt;br /&gt;
:Offscreen: Shh. You'll jinx it.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Internet]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1256:_Questions&amp;diff=47901</id>
		<title>1256: Questions</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1256:_Questions&amp;diff=47901"/>
				<updated>2013-08-26T23:53:10Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: correction for Hawaii&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1256&lt;br /&gt;
| date      = August 26, 2013&lt;br /&gt;
| title     = Questions&lt;br /&gt;
| image     = questions.png&lt;br /&gt;
| titletext = To whoever typed 'why is arwen dying': GOOD. FUCKING. QUESTION.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
{{w|Google}}, a rather popular internet search engine, has a feature known as autocomplete that guesses at search queries before they are fully typed out. These guesses are generally made based on popular searches by other people. From time to time, a particularly strange or hilarious one may be found, as is evidenced in this comic.&lt;br /&gt;
&lt;br /&gt;
All of the questions in the comic are &amp;quot;why&amp;quot; questions, so many of them are predicated on false assumptions, such as &amp;quot;Why are there pyramids on the moon&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
Regarding the title text: in the Peter Jackson films of {{w|The Lord of the Rings (film series)|''The Lord of the Rings'' trilogy}}, Arwen becomes sickly for unspecified reasons as the plot advances, apparently giving Aragorn a more personal reason to fight.  The only explanation given is by Elrond, who says &amp;quot;As Sauron's power grows, her [Arwen's] strength wanes.&amp;quot;  (This subplot is entirely absent from the {{w|The Lord of the Rings|original novels}}.)&lt;br /&gt;
&lt;br /&gt;
From [http://www.imdb.com/title/tt0167260/faq#.2.1.21 IMDB]: &amp;lt;br /&amp;gt;&amp;lt;blockquote&amp;gt;&lt;br /&gt;
Arwen, like her father (and brothers) is considered to be a Half-Elf, the result of a union between an Elf and a mortal human. The Half-Elven of Middle-earth get a choice, to remain immortal and return to the West (Valinor) or to become mortal and to die as humans do. Elrond chose to remain an Elf. Arwen (like her uncle Elros) chooses to become mortal in order to wed and remain with Aragorn. Elrond senses this; this is what he means when he says that Arwen is dying. It is the same as in The Last Unicorn, when the unicorn is given the form of a human woman and can feel that she is no longer immortal (&amp;quot;I can feel this body dying all around me&amp;quot;). According to Tolkien, though, after Aragorn dies in the year 120 (Fourth Age), Arwen returns to Lórien, where she dies by choice the following winter. &amp;lt;/blockquote&amp;gt;&lt;br /&gt;
&lt;br /&gt;
;Selected answers&lt;br /&gt;
(Some questions in the transcript are linked to their answers.)&lt;br /&gt;
{| class =&amp;quot;wikitable&amp;quot;&lt;br /&gt;
|-&lt;br /&gt;
!style=&amp;quot;width:20%;&amp;quot;|Question !! Possible answer&lt;br /&gt;
|-&lt;br /&gt;
| Why is there not a Pokémon MMO? || {{w|Pokémon}} is a popular franchise, spanning consoles, anime series, a trading card game, and many other things. Among fans, it is a frequent topic of discussion why a Pokémon massively-multiplayer-online game has not been officially announced by the series' developers {{w|Game Freak}}, as they often [http://www.dorkly.com/comic/52546/be-careful-what-you-wish-for predict] that such a game would be extremely popular, and bring in massive revenue for the company.&lt;br /&gt;
|-&lt;br /&gt;
|Why is there laughing in TV shows? || Sitcoms were filmed with audience, so the actors could respond to their reactions. Thats the historical reason why there were laughs in TV shows. The tradition held until today, with the difference that now the laughter mostly comes from {{w|Laugh track|recorded tapes}}.&lt;br /&gt;
|-&lt;br /&gt;
| Why are ducks called ducks? || {{W|wikt:duck|According to Wiktionary}}, the noun ''duck'' can be traced back to the {{w|Proto-Germanic language|Proto-Germanic}} word {{w|wikt:Appendix:Proto-Germanic/dūkaną|''dūkaną''}} (&amp;quot;to dive, bend down&amp;quot;), and, in turn, the {{w|Proto-Indo-European language|Proto-Indo-European}} {{w|wikt:Appendix:Proto-Indo-European/dʰewb-|''dʰewb-''}} (&amp;quot;deep, hollow&amp;quot;), which also give us the verb ''to duck''.  The link between the noun and the verb comes from ducks' tendency to dive under water for short periods of time.&lt;br /&gt;
|-&lt;br /&gt;
| Why are there male and female bikes? || {{w|bicycle|From Wikipedia}}: &amp;lt;blockquote&amp;gt;Historically, women's bicycle frames had a top tube that connected in the middle of the seat tube instead of the top, resulting in a lower {{w|Frame geometry|standover height}} at the expense of compromised structural integrity, since this places a strong bending load in the seat tube, and bicycle frame members are typically weak in bending. This design, referred to as a '''''{{w|step-through frame}}''''' or as an ''open frame'', allows the rider to mount and dismount in a dignified way while wearing a skirt or dress.&amp;lt;/blockquote&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| Why is Poseidon angry with Odysseus? || One of {{w|Odysseus}}' adventures in the {{w|Odyssey}} was an encounter with the {{w|Cyclops}} {{w|Polyphemus}} -- who was a son of {{w|Poseidon}}. Odysseus blinded Polyphemus, and foolishly revealed his name as he made his escape. Polyphemus appealed to his father for vengeance, in response, Poseidon cursed Odysseus to wander for ten years (in addition to the ten years he had already been away from home fighting in the {{w|Trojan_War|Trojan War}}).&lt;br /&gt;
|-&lt;br /&gt;
| Why are there two Spocks? || This is probably a reference to the {{w|Star_Trek_(film)|2009 Star Trek movie}} in which the franchise was given a {{w|Reboot_(fiction)|continuity reboot}}. The modified setting is explained in-universe by time travel, with both the villain Nero and the original-timeline Spock being brought back from the 24th century to the 23rd, creating a timeline in which both older Spock (played by Leonard Nimoy) and the younger Spock (played by Zachary Quinto) coexist.&lt;br /&gt;
&lt;br /&gt;
Another possibility is that the question refers to the episode {{w|Mirror,_Mirror_(Star_Trek:_The_Original_Series)|&amp;quot;Mirror, Mirror&amp;quot;}}, which mostly takes place in an alternate universe populated by ruthless versions of most of the characters (including Spock).&lt;br /&gt;
|-&lt;br /&gt;
| Why aren't there any foreign military bases in America? || ''Further information: {{w|United States military deployments}}''&amp;lt;p&amp;gt;This is a very interesting question, albeit one based on a regional misunderstanding: Presumably, this question is asked by Americans who assume that the existence of {{w|Category:Military facilities of the United States by country|U.S. military bases abroad}} is a general trend among countries, as opposed to being the rarity that it is.  In fact, {{w|List of countries with overseas military bases|only a handful of other countries}} have military bases outside of their borders, and the three&amp;amp;mdash;{{w|France}}, the {{w|United Kingdom}}, and {{w|Russia}}&amp;amp;mdash;that have more than one or two are all countries that, like the United States, {{w|Allies of World War II|were on the winning side of World War II}}, have {{w|List of countries by military expenditures|massive military expenditures}}, and have {{w|United Nations Security Council veto power|UN Security Council vetoes}}.  In other words, only the most militarily elite countries have bases overseas.  The U.S. is unique, however, in that it has far more overseas bases than any other country (and, pretty much, far more of anything else than any other country, when it comes to the military), and in that {{w|List of United States military bases|it has bases in several other highly-industrialized nations}}, including {{w|List of United States Army installations in South Korea|South Korea}} and the United Kingdom, and, most notably, World War II {{w|Axis powers}} {{w|List of United States Army installations in Germany|Germany}}, {{w|United States Forces Japan|Japan}}, and {{w|List of United States Army installations in Italy|Italy}}.  (France, Russia, and the U.K.'s bases, on the other hand, are almost all within areas that they previously controlled.)&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;These bases can be controversial in some countries, while in others they are a major source of economic and political stability.  The U.S. traditionally justifies their presence as a necessary and crucial element in its efforts to promote peace domestically and worldwide.  Despite their major role in {{w|U.S. foreign policy}}, and in the general political structure of the globe, the American public often largely ignores them, and they rarely become a major political issue (apart from an occasional mention by {{w|Libertarian Party (United States)|Libertarian presidential candidates}}.)&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;So, essentially, the absence of foreign military bases within the U.S. is primarily because there aren't really any other countries in a position to place bases there.  Furthermore, such bases wouldn't do much good, as no battles have been fought within the U.S. since the since the {{w|U.S. Civil War}} and the U.S. mainland has seen {{w|Mainland invasion of the United States|almost no military action}}.  (The {{w|attack on Pearl Harbor}} in 1941 was 18 years before Hawaii became a U.S. state.)&amp;lt;/p&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| Why is there no king in England? || ''Note: For simplicity's sake, &amp;quot;England&amp;quot; here is being read as &amp;quot;Britain.&amp;quot;''&amp;lt;p&amp;gt;The basis for this question is that for the past several hundred years, there has almost always been a queen in England, the sole exceptions being when the king has not had a wife.  However, there is a distinction between being the queen of England (that is to say, {{w|List of British monarchs|a monarch}}) and being the {{w|queen consort|queen ''consort''}} of England: The former refers to a woman who {{w|Succession to the British throne|succeeded to the throne}} in her own right, becoming sovereign, while the latter refers to the wife of the king.  Both roles, though, are commonly referred to as &amp;quot;Queen of England,&amp;quot; creating the impression that there is always such a person.  The logical question, therefore, is why {{w|Elizabeth II}}'s husband, {{w|Prince Philip|Philip}}, is not considered the king of England.  The answer lies in Britain's system of {{w|male-preference cognatic primogeniture}}, which causes the monarch of England to usually be a man, not a woman.  As a result of this, British laws were generally built around the presumption that the monarch would be a man (and that said man would be married to a woman, [[223: Valentine's Day|comic 223]] be damned).  Since the creation of the modern British throne in 1707, only two women have reigned as queen in their own right; it just so happens that these two women have been two of the most famous and longest-reigning monarchs in world history, {{w|Queen Victoria}} and Queen Elizabeth II.  This fact may add to people's enhanced perception of the lack of a British king.  Victoria and Elizabeth's respective consorts, {{w|Albert, Prince Consort|Albert}} and Philip, have been styled as princes&amp;amp;mdash;Albert as {{w|Prince Consort}} and Philip as &amp;quot;{{w|British prince|Prince of the United Kingdom of Great Britain and Northern Ireland}}.&amp;quot;  Both were explicitly granted their titles by their wives, though Albert was already a prince of Saxe-Coburg and Gotha, and Philip had previously been a prince of Denmark and Greece, but had renounced both titles before marrying Elizabeth.&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;The title {{w|king consort}} also exists, but has never been used in the United Kingdom.&amp;lt;/p&amp;gt;&amp;lt;p&amp;gt;Notably, should {{w|Prince Charles}} succeed to his mother's throne, it has been announced that his wife, {{w|Camilla, Duchess of Cornwall|Camilla}}, will be styled as {{w|princess consort}}, ''not'' as queen consort, just as she has declined the title {{w|Princess of Wales}}, which is strongly associated with Charles's first wife, {{w|Princess Diana|Diana}}.  Assuming that Charles succeeds, this means that Britain will not have anyone referred to as &amp;quot;queen,&amp;quot; after decades of not having anyone referred to as &amp;quot;king.&amp;quot;&amp;lt;/p&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| Why are there female Mr. Mimes? || {{w|Mr. Mime}} is a Pokémon introduced in the first generation of the games, and despite its name, it can be either of a male or female gender. As the Pokémon was introduced before the concept of [http://www.bulbapedia.bulbagarden.net/wiki/Gender gender in Pokémon games], it is likely that the people in charge of translating its Japanese name (Barrierd) did not take this into account during the process. &lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
{{incomplete transcript}}&lt;br /&gt;
:Questions found in Google autocomplete&lt;br /&gt;
===Section one===&lt;br /&gt;
*Why do whales jump&lt;br /&gt;
*{{w|Wizard of Oz|Why are witches green}}&lt;br /&gt;
*Why are there mirrors above beds&lt;br /&gt;
*Why do I say Uh&lt;br /&gt;
*Why is sea salt better&lt;br /&gt;
*Why are there trees in the middle of fields&lt;br /&gt;
*Why is there not a Pokemon MMO&lt;br /&gt;
*Why is there laughing in TV shows&lt;br /&gt;
*Why are there doors on the freeway&lt;br /&gt;
*{{w|svchost.exe|Why are there so many svchost.exe running}}&lt;br /&gt;
*Why aren't there any countries in Antarctica&lt;br /&gt;
*Why are there scary sounds in Minecraft&lt;br /&gt;
*Why is there kicking in my stomach&lt;br /&gt;
*Why are there two slashes after http&lt;br /&gt;
*Why are there celebrities&lt;br /&gt;
*Why do snakes exist&lt;br /&gt;
*Why do oysters have pearls&lt;br /&gt;
*{{w|Duck#Etymology|Why are ducks called ducks}}&lt;br /&gt;
*Why do they call it the clap&lt;br /&gt;
*Why are Kyle and Cartman friends&lt;br /&gt;
*Why is there an arrow on Aang's head&lt;br /&gt;
*Why are text messages blue&lt;br /&gt;
*Why are there mustaches on clothes&lt;br /&gt;
*Why are there mustaches on cars&lt;br /&gt;
*Why are there mustaches everywhere&lt;br /&gt;
*Why are there so many birds in Ohio&lt;br /&gt;
*Why is there so much rain in Ohio&lt;br /&gt;
*{{w|Lake-effect snow|Why is Ohio weather so weird}}&lt;br /&gt;
&lt;br /&gt;
===Section two===&lt;br /&gt;
*Why are there male and female bikes&lt;br /&gt;
*{{w|Bridesmaid#Origin and history|Why are there bridesmaids}}&lt;br /&gt;
*Why do dying people reach up&lt;br /&gt;
*Why aren't there varicose arteries&lt;br /&gt;
*{{w|Klingon#Redesign|Why are old Klingons different}}&lt;br /&gt;
:Beret Guy (with squirrel): Why are there squirrels&lt;br /&gt;
*Why is programming so hard&lt;br /&gt;
*{{w|Zero-ohm_link|Why is there a 0 Ohm resistor}}&lt;br /&gt;
*Why do Americans hate soccer&lt;br /&gt;
*Why do rhymes sound good&lt;br /&gt;
*Why do trees die&lt;br /&gt;
*Why is there no sound on CNN&lt;br /&gt;
*Why aren't Pokemon real&lt;br /&gt;
*Why aren't bullets sharp&lt;br /&gt;
*Why do dreams seem so real&lt;br /&gt;
&lt;br /&gt;
===Section three===&lt;br /&gt;
*Why do testicles move&lt;br /&gt;
*Why are there psychics&lt;br /&gt;
*Why are hats so expensive&lt;br /&gt;
*Why is there caffeine in my shampoo&lt;br /&gt;
*Why do your boobs hurt&lt;br /&gt;
===Section four===&lt;br /&gt;
*Why aren't economists rich&lt;br /&gt;
*Why do Americans call it soccer&lt;br /&gt;
*Why are my ears ringing&lt;br /&gt;
*Why are there so many Avengers&lt;br /&gt;
*Why are the Avengers fighting the X-Men&lt;br /&gt;
*Why is Wolverine not in the Avengers&lt;br /&gt;
===Section five===&lt;br /&gt;
*Why are there ants in my laptop&lt;br /&gt;
*Why is Earth tilted&lt;br /&gt;
*{{w|Olbers' paradox|Why is space black}}&lt;br /&gt;
*Why is outer space so cold&lt;br /&gt;
*Why are there pyramids on the Moon&lt;br /&gt;
*Why is NASA shutting down&lt;br /&gt;
&lt;br /&gt;
===Section six===&lt;br /&gt;
*Why are there tiny spiders in my house&lt;br /&gt;
*Why do spiders come inside&lt;br /&gt;
*Why are there huge spiders in my house&lt;br /&gt;
*Why are there lots of spiders in my house&lt;br /&gt;
*Why are there spiders in my room&lt;br /&gt;
*Why are there so many spiders in my room&lt;br /&gt;
*Why do spider bites itch&lt;br /&gt;
*Why is dying so scary&lt;br /&gt;
===Section seven===&lt;br /&gt;
*Why is there no GPS in laptops&lt;br /&gt;
*Why do knees click&lt;br /&gt;
*Why aren't there E grades&lt;br /&gt;
*Why is isolation bad&lt;br /&gt;
*Why do boys like me&lt;br /&gt;
*Why don't boys like me&lt;br /&gt;
*Why is there always a Java update&lt;br /&gt;
*Why are there red dots on my thighs&lt;br /&gt;
*Why is lying good&lt;br /&gt;
:Cueball: Why is sex so important&lt;br /&gt;
===Section eight===&lt;br /&gt;
*{{w|The Bible and slavery|Why are there slaves in The Bible}}&lt;br /&gt;
*[http://www.abc.net.au/science/articles/2004/11/04/1234875.htm Why do twins have different fingerprints]&lt;br /&gt;
*Why are Americans afraid of dragons&lt;br /&gt;
&lt;br /&gt;
===Section nine===&lt;br /&gt;
*Why are there swarms of gnats&lt;br /&gt;
*Why is there phlegm&lt;br /&gt;
===Section ten===&lt;br /&gt;
*Why are there so many crows in Rochester, MN&lt;br /&gt;
*[http://pokemon.wikia.com/wiki/Pok%C3%A9mon_Types Why is Psychic weak to Bug]&lt;br /&gt;
*Why do children get cancer&lt;br /&gt;
*Why is Poseidon angry with Odysseus&lt;br /&gt;
*Why is there ice in space&lt;br /&gt;
===Section eleven===&lt;br /&gt;
:Megan (with ghosts): Why are there ghosts&lt;br /&gt;
*Why is there an owl in my backyard&lt;br /&gt;
*Why is there an owl outside my window&lt;br /&gt;
*Why is there an owl on the dollar bill&lt;br /&gt;
*Why do owls attack people&lt;br /&gt;
*Why are AK47s so expensive&lt;br /&gt;
===Section twelve===&lt;br /&gt;
*Why are there helicopters circling my house&lt;br /&gt;
*Why are there gods&lt;br /&gt;
*Why are there two Spocks&lt;br /&gt;
===Section thirteen===&lt;br /&gt;
*Why is Mt Vesuvius there&lt;br /&gt;
*Why do they say T Minus&lt;br /&gt;
*Why are there obelisks&lt;br /&gt;
*Why are wrestlers always wet&lt;br /&gt;
*Why are oceans becoming more acidic&lt;br /&gt;
*Why is Arwen dying&lt;br /&gt;
*Why aren't my quail laying eggs&lt;br /&gt;
*Why aren't my quail eggs hatching&lt;br /&gt;
*Why aren't there any foreign military bases in America&lt;br /&gt;
===Section fourteen===&lt;br /&gt;
*Why is https crossed out in red&lt;br /&gt;
*Why is there a line through https&lt;br /&gt;
*Why is there a red line through https on Facebook&lt;br /&gt;
*Why is https important&lt;br /&gt;
:Cueball: Why aren't my arms growing&lt;br /&gt;
===Section fifteen===&lt;br /&gt;
*Why are my boobs itchy&lt;br /&gt;
*Why are cigarettes legal&lt;br /&gt;
*Why are the ducks in my pool&lt;br /&gt;
*Why is Jesus white&lt;br /&gt;
*Why is there liquid in my ear&lt;br /&gt;
*Why do Q Tips feel good&lt;br /&gt;
*Why do good people die&lt;br /&gt;
:Ponytail: Why aren't there guns in Harry Potter&lt;br /&gt;
*Why are ultrasounds important&lt;br /&gt;
*Why are ultrasound machines expensive&lt;br /&gt;
*Why is stealing wrong&lt;br /&gt;
&lt;br /&gt;
===Vertical questions===&lt;br /&gt;
:(The following are vertical.)&lt;br /&gt;
*{{w|Seven-day_week#Origins|Why are there weeks}}&lt;br /&gt;
*Why do I feel dizzy&lt;br /&gt;
*Why is {{w|YKK Group|YKK}} on all zippers&lt;br /&gt;
*Why are trees tall&lt;br /&gt;
*Why do iguanas die&lt;br /&gt;
*Why aren't there dinosaur ghosts&lt;br /&gt;
*Why are dogs afraid of fireworks&lt;br /&gt;
*Why is there no king in England&lt;br /&gt;
*Why is life so boring&lt;br /&gt;
*Why is there lava&lt;br /&gt;
*[http://www.serebiiforums.com/showthread.php?285504-Why-can-Mr-Mime-be-female Why are there female Mr Mimes]&lt;br /&gt;
*[http://gis.stackexchange.com/a/17546 Why is GPS free]&lt;br /&gt;
*Why is there Hell if God forgives&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Comics featuring Megan]]&lt;br /&gt;
[[Category:Comics featuring Beret Guy]]&lt;br /&gt;
[[Category:Comics featuring Ponytail]]&lt;br /&gt;
[[Category:Large drawings]]&lt;br /&gt;
[[Category:LOTR]]&lt;br /&gt;
[[Category:Pokémon]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1246:_Pale_Blue_Dot&amp;diff=45705</id>
		<title>1246: Pale Blue Dot</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1246:_Pale_Blue_Dot&amp;diff=45705"/>
				<updated>2013-08-03T00:17:12Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: improve grammar&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1246&lt;br /&gt;
| date      = August 2, 2013&lt;br /&gt;
| title     = Pale Blue Dot&lt;br /&gt;
| image     = pale_blue_dot.png&lt;br /&gt;
| titletext = Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves. There is no road out of this oblivion; we must embrace it. We must join with the darkness. Ba'al the Annihilator offers us no happiness, no answers, naught but the cold embrace of the void. To imagine any other end is delusion. We must give in to the will of Ba'al, for he will one day consume us and our world alike. I therefore call on Congress to fully fund space exploration, and to join with Ba'al, the Eater of Souls. Thank you.&lt;br /&gt;
}}&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
The {{w|Pale Blue Dot}} is a picture of the Earth taken in 1990 by the {{w|Voyager 1}} spacecraft at a distance about 6 billion kilometers (3.7 billion miles). It was part of the {{w|Family Portrait (Voyager)|Family Portrait}}, a series of images of the entire {{w|Solar System}} from beyond it. &lt;br /&gt;
&lt;br /&gt;
The picture was taken at the request of {{w|Carl Sagan}}, a well known space scientist at that time. In 1994 Sagan wrote the book &amp;quot;{{w|Pale Blue Dot: A Vision of the Human Future in Space}}&amp;quot; inspired by this picture. In the book, Sagan waxed eloquent about the picture in a widely-quoted passage. The complete passage can be found illustrated at this comic here: [http://zenpencils.com/comic/100-carl-sagan-pale-blue-dot/ http://zenpencils.com/comic/100-carl-sagan-pale-blue-dot].&lt;br /&gt;
&lt;br /&gt;
Cueball quotes from a condensed version of this passage until he is interrupted by an argument over ''which'' speck in the picture is actually the Earth.  When Cueball cries out in exasperation that it doesn't matter, then the entire authenticity of the image is called into question.  This pokes fun at the fact that the {{w|Pale Blue Dot}} picture has very little visual attractiveness, apart from the viewer's knowledge that the central speck is actually our home planet seen from a great distance. &lt;br /&gt;
&lt;br /&gt;
The first two sentences of the title text are also a quotation from Sagan's paen to the Pale Blue Dot picture, but then the text veers humorously into a very non-scientific conclusion about pagan deities.&lt;br /&gt;
&lt;br /&gt;
The title text evokes the {{w|Cthulhu_mythos|Cthulhu Mythos}}, as expounded in fantasy/horror works by H.P. Lovecraft and, later, August Derleth, which features a cosmology in which humanity is doomed to destruction through the workings of vastly more powerful supernatural forces. The text references {{w|Ba'al}}, originally a Semitic deity since associated with demonic or otherwise evil forces.&lt;br /&gt;
&lt;br /&gt;
Another explanation is that [[Randall]] refers to the film character {{w|Ba'al (Stargate)#Ba.27al|Ba'al}} from {{w|Stargate}}, which trys to conquer the Earth.  The last sentence of the title text Randall urges the US Congress for greater funding of space exploration, leading humans to the same technological level as Ba'an.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[Cueball stands on a podium, the Pale Blue Dot picture is behind him]&lt;br /&gt;
:Cueball: Consider this Pale Blue Dot. That's here. That's home. That's us. Everyone you love, every human being who ever was, every saint and sinner in the history of our species lived out their lives on this mote of dust suspended in a sunbeam. All our -&lt;br /&gt;
:[Heckling]: I think that's a stuck pixel. We're the speck on the left.&lt;br /&gt;
:Cueball: ...Ok, '''''this''''' Pale Blue Dot is everything you -&lt;br /&gt;
:[Heckling]: No you were right before. ''That'' one is earth.&lt;br /&gt;
:Cueball: '''''Look, it doesn't matter!'''''&lt;br /&gt;
:[Heckling]: I ''knew'' it.&lt;br /&gt;
:[Heckling]: I think this is just a lens cap picture.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
&lt;br /&gt;
[[Category:Comics featuring Cueball]]&lt;br /&gt;
[[Category:Philosophy]]&lt;br /&gt;
[[Category:Science]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1237:_QR_Code&amp;diff=43610</id>
		<title>1237: QR Code</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1237:_QR_Code&amp;diff=43610"/>
				<updated>2013-07-12T22:25:41Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: grammar; consistent tense; some additional analysis&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1237&lt;br /&gt;
| date      = July 12, 2013&lt;br /&gt;
| title     = QR Code&lt;br /&gt;
| image     = qr code.png&lt;br /&gt;
| titletext = Remember, the installer is watching the camera for the checksum it generated, so you have to scan it using your own phone.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{W|QR code}}s are a type of 2D barcode that can be scanned using any of several apps on a smartphone. This comic illustrates installation of a new application that requires the smartphone to scan a QR code on its own screen.  There is no conceivable purpose for such a step, so it would be completely silly.  Even with two mirrors or a front-facing camera and mirror, most smartphones would be unable to simultaneously display the camera feed for the QR scanner and the QR code itself.&lt;br /&gt;
&lt;br /&gt;
If scanned, the QR code in the comic links to a nearly identical [http://xkcd.com/1237/scan/ image]. but the line above the QR code saying &amp;quot;To continue reading,&amp;quot; and a slightly changed caption reads &amp;quot;How to trap a webcomic reader in an infinite loop&amp;quot;. The QR code is identical to the previous one. So, if scanned again, it would be an &amp;quot;infinite loop&amp;quot; without any purpose.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:[A mobile phone screen.]&lt;br /&gt;
:To continue installing,&lt;br /&gt;
:[Image of a QR code which contains a link.]&lt;br /&gt;
:Scan this code.&lt;br /&gt;
:12 Seconds remaining&lt;br /&gt;
&lt;br /&gt;
:How to freak out a mobile app user&lt;br /&gt;
&lt;br /&gt;
==Trivia==&lt;br /&gt;
*Randall jokes about Webcomic Readers, trying to find all the secrets he hides. Nobody did find and publish them all right now.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1235:_Settled&amp;diff=43295</id>
		<title>1235: Settled</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1235:_Settled&amp;diff=43295"/>
				<updated>2013-07-09T19:33:13Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: remove apostrophe abuse; reduce overlinking; grammar; fix awkward constructions&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1235&lt;br /&gt;
| date      = July 8, 2013&lt;br /&gt;
| title     = Settled&lt;br /&gt;
| image     = settled.png&lt;br /&gt;
| titletext = Well, we've really only settled the question of ghosts that emit or reflect visible light. Or move objects around. Or make any kind of sound. But that covers all the ones that appear in Ghostbusters, so I think we're good.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
In this comic, there is a timeline chart showing the percentage of people in the United States who have a {{w|camera}} at every moment.&lt;br /&gt;
[[Randall Munroe|Randall]] refers to the fact that today most people carry around cameras or embedded camera devices such as {{w|Digital_camera|digital cameras}} or {{w|Smartphone|smartphones}}.&lt;br /&gt;
&lt;br /&gt;
The chart shows that after the 1980s the percentage increases every year, almost reaching 100% by 2013. The text below the image states that &amp;quot;''We have conclusively settled the questions of {{w|Flying_saucer|flying saucers}}, lake monsters (such as {{w|Loch_Ness_Monster|the Loch Ness Monster}}), {{w|Ghost|ghosts}} and {{w|Bigfoot}}''&amp;quot;, implying that because almost everyone carries a camera and no conclusive evidence of these entities has surfaced, the entities must not exist.&lt;br /&gt;
&lt;br /&gt;
The title text declares that in the case of ghosts, only the questions regarding phenomena that can be captured with a camera have been settled. The title text also makes a joke about the ghosts of ''{{w|Ghostbusters}}'', a popular film that featured highly visible and noisy ghosts which left a slime. If such ghosts existed, recording them would be very easy.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
&lt;br /&gt;
:[A timeline chart shows years in the x-axis starting from before 1980 until 2013 and 0% to 100% at the y-axis.]&lt;br /&gt;
&lt;br /&gt;
:Percentage of the US population carrying cameras everywhere they go, every waking moment of their lives:&lt;br /&gt;
:[The chart shows a line describing the increase in percentage of US people carrying cameras at the last few years.]&lt;br /&gt;
&lt;br /&gt;
:In the last few years, with very little fanfare, we've conclusively settled the questions of flying saucers, lake monsters, ghosts, and Bigfoot.&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Comics with color]]&lt;br /&gt;
[[Category:Charts]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1225:_Ice_Sheets&amp;diff=40753</id>
		<title>1225: Ice Sheets</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1225:_Ice_Sheets&amp;diff=40753"/>
				<updated>2013-06-14T23:46:53Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ fix formatting and grammar and some slight clarifications:  should be noncontroversial&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1225&lt;br /&gt;
| date      = June 14, 2013&lt;br /&gt;
| title     = Ice Sheets&lt;br /&gt;
| image     = ice sheets.png&lt;br /&gt;
| titletext = Data adapted from 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum' by A.S. Dyke et. al., which was way better than the sequels 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum: The Meltdown' and 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum: Continental Drift'.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
The comic shows the ice levels at major North American cities at the {{w|Last_Glacial_Maximum|peak of the last ice age}}, 21000 years ago. Toronto and Montreal are both Canadian cities, while Boston and Chicago are in the US.&lt;br /&gt;
&lt;br /&gt;
The title text references the &amp;quot;[https://notendur.hi.is//~oi/AG-326%202006%20readings/Canadian%20Arctic/Dyke_QSR2002.pdf The Laurentide and Innuitian ice sheets during the Last Glacial Maximum (PDF)],&amp;quot; an actual series of scientific papers about the ice sheet (see figure 4). But it also refers to the animated film series {{w|Ice_Age_(film_series)|Ice Age}}. It is commonly stated that the first Ice Age film was way better than the sequels, and it is criticised for the number of films made (4 as of 2012).&lt;br /&gt;
''Ice Age: the Meltdown'', and ''Ice Age: Continental Drift'' are the second and fourth Ice Age movies. People often say that the first film/book in a series is better than its sequel(s).&lt;br /&gt;
&lt;br /&gt;
But the joke from the movie ''Ice Age'' is only a part of this comic.  In the picture [[Randall]] shows a vast amount of frozen water covering not only North America but also Europe and Asia at that time, which caused the sea level to have been 130 meters lower than today (see {{w|Sea level rise}}).&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:&lt;br /&gt;
&lt;br /&gt;
{{comic discussion}}&lt;br /&gt;
[[Category:Charts]]&lt;br /&gt;
[[Category:Comics with color]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=1225:_Ice_Sheets&amp;diff=40740</id>
		<title>1225: Ice Sheets</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=1225:_Ice_Sheets&amp;diff=40740"/>
				<updated>2013-06-14T21:04:42Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: /* Explanation */ italics for movie titles; affirm that A.S. Dyke's work is real; add another perspective&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{comic&lt;br /&gt;
| number    = 1225&lt;br /&gt;
| date      = June 14, 2013&lt;br /&gt;
| title     = Ice Sheets&lt;br /&gt;
| image     = ice sheets.png&lt;br /&gt;
| titletext = Data adapted from 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum' by A.S. Dyke et. al., which was way better than the sequels 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum: The Meltdown' and 'The Laurentide and Innuitian ice sheets during the Last Glacial Maximum: Continental Drift'.&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Explanation==&lt;br /&gt;
{{incomplete}}&lt;br /&gt;
The comic shows the ice levels at major North American cities at the {{w|Last_Glacial_Maximum|peak of the last ice age}}, 21000 years ago. Toronto and Montreal are both Canadian cities, while Boston and Chicago are in the US.&lt;br /&gt;
&lt;br /&gt;
The title text references the &amp;quot;[https://notendur.hi.is//~oi/AG-326%202006%20readings/Canadian%20Arctic/Dyke_QSR2002.pdf The Laurentide and Innuitian ice sheets during the Last Glacial Maximum (PDF)]&amp;quot;, an actual series of scientific papers about the ice sheet (see figure 4). But it also refers to the animated film series {{w|Ice_Age_(film_series)|Ice Age}}. It is commonly stated that the first Ice Age film was way better than the sequels, and it is criticised for the number of films made (4 as of 2012).&lt;br /&gt;
''Ice Age: the Meltdown'', and ''Ice Age: Continental Drift'' are the second and fourth Ice Age movies. People often say that the first film/book in a series is better than its sequel(s).&lt;br /&gt;
&lt;br /&gt;
But the joke on the movie ''Ice Age'' is only a part of this comic. At the picture [[Randall]] shows the vast amount of frozen water, covering not only Northern America but also Europe and Asia at that time, which causes the sea level being 130 Meters lower than today (see {{w|Sea level rise}}).&lt;br /&gt;
&lt;br /&gt;
Another aspect could be a perspective of [http://en.wikipedia.org/wiki/Human_impact_on_the_environment anthropogenic global warming].  Just 21,000 years ago, there was at least a half mile of ice laying on much of North America (more than two miles over central Canada) which arose from, presumably, much colder temperatures.  Climate alarmists say that we are getting much warmer, but even the most dire prognostication indicates a temperature change a small fraction of the change from 21,000 years ago, and in a direction away from an ice age.&lt;br /&gt;
&lt;br /&gt;
==Transcript==&lt;br /&gt;
:&lt;br /&gt;
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{{comic discussion}}&lt;br /&gt;
[[Category:Charts]]&lt;br /&gt;
[[Category:Comics with color]]&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

	<entry>
		<id>https://www.explainxkcd.com/wiki/index.php?title=User:Walenc&amp;diff=40735</id>
		<title>User:Walenc</title>
		<link rel="alternate" type="text/html" href="https://www.explainxkcd.com/wiki/index.php?title=User:Walenc&amp;diff=40735"/>
				<updated>2013-06-14T20:32:06Z</updated>
		
		<summary type="html">&lt;p&gt;Walenc: about me&lt;/p&gt;
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&lt;div&gt;I am a long time &amp;lt;tt&amp;gt;xkcd&amp;lt;/tt&amp;gt; reader, since at least 2004.&lt;br /&gt;
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I &amp;quot;get&amp;quot; about 90% of the strips immediately.  Those that alude me seem to be due to pop culture references for under 30s (of which I am not).&lt;/div&gt;</summary>
		<author><name>Walenc</name></author>	</entry>

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